Siemens Brodersen MC55 AT manuale d’uso

1 AT Command Manual for Brodersen Products with Siemens MC55 Modem Engine V. 04.00 / April 2006 / Doc 40232 Brodersen Controls A/S ● Industrivej 3 ● DK-4000 Ros kilde ● Tel: +45 46 74 00 00 ● Fax: +45 46 75 7 3 36 E-mail: bc@brodersencontrols.com ● Internet: www.brod ersencontrols.com[...]

MC55_AT C_V04.00 Page 2 of 475 3/17/06 Confidential / Rele ased General Notes Product is deemed accepted by recipi ent and is provided wit hout interfac e to recipient’s products. The docum en- tation and/or product are p rovided for testing, eval ua tion, integr ation and information pu rposes. The documen- tation and/or product are provided on [...]

MC55_AT C_V04.00 Page 3 of 475 3/17/06 Confidential / Rele ased 1. Introduction .......... ................................................ .............................. ............ ............. .......... ............. .... 13 1.1 Scope of the document ............... ................ ................. ............. ................ ...........[...]

MC55_AT C_V04.00 Page 4 of 475 3/17/06 Confidential / Rele ased 3.4 AT+CEER Extended Error Report . ................... ................... .................... ................ ................... . 7 1 3.4.1 Cause Location ID for the extended erro r report .......... ................ ............. ................ .... 72 3.4.2 GSM release cause [...]

MC55_AT C_V04.00 Page 5 of 475 3/17/06 Confidential / Rele ased 6.8 AT+CGSN Request International Mobile Equipment Ident ity (IMEI) ................ .................... ..... 124 6.9 AT+GSN Request International Mobile Equipment Identity (IMEI) .................. ................ ......... 124 6.10 AT+CIMI Request International Mobile Subscriber I[...]

MC55_AT C_V04.00 Page 6 of 475 3/17/06 Confidential / Rele ased 8.11 AT^SALS Alternate Line Service ...................... ................ ................ ................ ................ ........ .1 8 4 8.12 AT^SHOM Display Homezone .................. ............. ................. ................ ................ ................ .. 18 6 8.1[...]

MC55_AT C_V04.00 Page 7 of 475 3/17/06 Confidential / Rele ased 10.11.5 Socket client sends data via TCP c onnection with URCs ...... .................... ................ .. 258 10.11.6 Configuring and Using FTP Download ( URC Mode) ............. ................. ................ ..... 258 10.11.7 Configuring and Using FTP Upload (URC Mo de) ....[...]

MC55_AT C_V04.00 Page 8 of 475 3/17/06 Confidential / Rele ased 12.13 AT+FDT Data Transmission .......................... ................... ................ .................... .................. ... 315 12.14 AT+FET End a page or document ...................... .................... ................... ................... ............ 31 6 12.15[...]

MC55_AT C_V04.00 Page 9 of 475 3/17/06 Confidential / Rele ased 15. SIM Application Toolkit (S AT) Commands ..... ................ ............. ................ ................. ................ ... .. 376 15.1 AT^SSTA SAT Interface Activation .................. .......... ................ ................ ................ ............. .. 3 76 1[...]

MC55_ATC_V04.00 Page 10 of 475 3/17/06 Confidential / Rele ased 19.2 ATS3 Set command line terminat ion character .......... ................ ................ ................ ............... 440 19.3 ATS4 Set response formatting character ......... ................ ................ ................ ................ ......... 441 19.4 ATS5 Write co[...]

MC55_ATC_V04.00 Page 11 of 475 3/17/06 Confidential / Rele ased Table 1.1: Symbols used to mark the type of parame ters ............. ................ ............. ................ ................ .1 6 Table 1.2: Symbols used to indicate the correlations with other commands ....... .................... ................... . 16 Table 1.3: Symbols [...]

MC55_ATC_V04.00 Page 12 of 475 3/17/06 Confidential / Rele ased Figure 1.1: Main character table of GSM 03.38 alphabet ..... .................... ................ ................... .............. ... 21 Figure 1.2: Extension character ta ble of GSM 03.38 alphabet .... ................ ................ ................ ................ . 22 Figure[...]

MC55_ATC_V04.00 Page 13 of 475 3/17/06 Confidential / Rele ased 1. Introduction 1.1 Scope of the document This document pr esents the AT Comma nd Set for the Siemens Cellu lar Engine MC55 Release 04.00 . Before using the Cellular Engine or upgrading to a new firmwa re version please read the latest produ ct informa- tion provided in the Release Not[...]

MC55_ATC_V04.00 Page 14 of 475 3/17/06 Confidential / Rele ased 1.2 Related document s [1] MC55 Releas e Notes, Ver sion 04.00 [2] MC55 Hardware Interf ace Description, Version 04.00 [3] GPRS Startup User's Guide [4] Remote-SAT User's Guide [5] Multiplexer User's Guide [6] Multiplex Driver Developer's Guide for Windows 2000 and [...]

MC55_ATC_V04.00 Page 15 of 475 3/17/06 Confidential / Rele ased 1.3 Document conventions Throughout the docum ent, the GSM engines are referred to a s ME (Mobile Equipment), MS (Mobile Station ), TA (Terminal Adapte r), DCE (Data Communication Equ ipment) or facsimile DCE (FAX mod em, FAX board). To control your GSM engine you can simply send AT Co[...]

MC55_ATC_V04.00 Page 16 of 475 3/17/06 Confidential / Rele ased 1.3.2 Superscript not ation for p arameters and values Table 1.1: Symb ols used to mark the type of parameters Table 1.2: Symb ols used to indicate the correlations wi th other commands Table 1.3: Symb ols used to mark different types of default val ues of param eters Parameter type Me[...]

MC55_ATC_V04.00 Page 17 of 475 3/17/06 Confidential / Rele ased 1.4 A T Command Synt ax The "AT" or "at" prefix must be set at the beg inning of each command line. To ter minate a command line enter <CR> . Commands are usually followe d by a response that includes " <CR><LF> <r esponse> <CR><[...]

MC55_ATC_V04.00 Page 18 of 475 3/17/06 Confidential / Rele ased 1.4.2 Combining A T commands on the same command line You may enter s everal AT com mands on the same line. This e liminates the need to type the "AT" or "at " prefix before each command. Instead, it is only needed once at the beginning of the co mmand line. Use a s[...]

MC55_ATC_V04.00 Page 19 of 475 3/17/06 Confidential / Rele ased 1.5 Supported character set s The ME supports two character sets: GSM 03.38 (7 bit, also referr ed to as GSM alphabet or SMS alphabet) and UCS2 (16 bit, refer to ISO/IEC 10646). See AT+CSCS for informatio n abou t selecting the c haracter set. Character tables can be found below. Expla[...]

MC55_ATC_V04.00 Page 20 of 475 3/17/06 Confidential / Rele ased Table 1.5: Example s for character definitions depending on alphab et CAUTION: Often, the editors of terminal programs do not recognize escap e sequences. In this case, an escape sequence will be handled as normal characters. The most common workaround to this problem is to write a scr[...]

MC55_ATC_V04.00 Page 21 of 475 3/17/06 Confidential / Rele ased 1.5.1 GSM alphabet t ables and UCS2 character values This section provides tables for the GSM 03.38 alph abet supported by the ME. Below any GSM character find the corresponding two byte character value of the UCS2 alpha bet. (For related mapping definition see: http://www.unicode.org/[...]

MC55_ATC_V04.00 Page 22 of 475 3/17/06 Confidential / Rele ased 1) This code value is reserved for the extens ion to an other extension table. On receipt of this code, a receiving en tity shall display a space until another extension table is defined. 2) This code represents the EURO currency symbol. The code value is the on e used for the charac t[...]

MC55_ATC_V04.00 Page 23 of 475 3/17/06 Confidential / Rele ased In the event that an MS receives a code where a symbol is not represen ted in Figure 1.2 , Extensio n character table of GSM 03.38 alp habet the MS shall display the ch aracter show n in the main default 7 bit alphabe t table (see Figu re 1.1 , Main character table of GSM 03.38 alphabe[...]

MC55_ATC_V04.00 Page 24 of 475 3/17/06 Confidential / Rele ased 1.5.2.2 Implementing input of T erminal dat a to SIM (direction TE to T A) Note: The ratio between the number of input characters and bytes sto red on the SIM is given in parentheses. Case 1 Every character is sen t from TE to TA as GSM characte r (or ASCII with standa rd terminal em u[...]

MC55_ATC_V04.00 Page 25 of 475 3/17/06 Confidential / Rele ased 1.6 Serial Interface Flow Control Flow control is essential to prevent loss of data or avoid errors when, in a data or fax call, the sending device is transferring data faste r than the receiving side is r eady to accept. When th e receiving buffer reaches its cap acity, the receiving [...]

MC55_ATC_V04.00 Page 26 of 475 3/17/06 Confidential / Rele ased 1.7 Unsolicited Result Code Present ation URC stands for Unsolicited Result C od e and is a report mess age issued by the ME without being requested by the TE, i.e. a URC is issued automatically when a cert ain event occurs. Hence, a URC is n ot issued as part of the response related t[...]

MC55_ATC_V04.00 Page 27 of 475 3/17/06 Confidential / Rele ased 1.8 Common PCN Handset Specification (CPHS) The ME provides features to imp lement a device following the prerequisites of the Commo n PCN Handset Spec- ification (CPHS) Phase 2. CPHS Feature Description/Remarks AT command Alternate Line Service Using two phone numbers with one SIM car[...]

MC55_ATC_V04.00 Page 28 of 475 3/17/06 Confidential / Rele ased 1.9 Errors and Messages The command result codes "+CME ERROR: <err> " and "+CMS ERROR: <err> " indicate errors related to mobile equipment or network functionality. The format of <err> can be either numeric or verbose and is selectable via AT+CMEE [...]

MC55_ATC_V04.00 Page 29 of 475 3/17/06 Confidential / Rele ased 2. Configuration Commands The AT Commands described in this chapter allow the ex ternal application to dete rmine the MC55's behaviour under various cond itions. 2.1 A T&F Set all current p aramete rs to manufacturer default s AT&F sets all current parameters to the manufa[...]

MC55_ATC_V04.00 Page 30 of 475 3/17/06 Confidential / Rele ased 2.2 A T&V Display current configuration AT&V returns the current parameter setting. The configura tion varies depending o n whether or not PIN auth en- tication has been done and whethe r or not Multiplex mode is enabled (see AT+CMUX ). Syntax Parameter Description [0] Profile [...]

MC55_ATC_V04.00 Page 31 of 475 3/17/06 Confidential / Rele ased 2.2.1 A T&V responses The following tables show four different kin ds of responses depending on whether or not th e PIN is entered and whether or not the Multip lex mode is en abled (see AT+CMUX ). Table 2.1: Curren t configuration on ASC0 / MUX channel 1 (example) Table 2.2: Curre[...]

MC55_ATC_V04.00 Page 32 of 475 3/17/06 Confidential / Rele ased 2.3 A T&W Stores current configur ation to user defined profile AT&W stores the currently se t parameters to a user defined profile in the non-volatile memory . Syntax Parameter Description [0] Number of pr ofile Notes • The user defined profile will be restor ed automaticall[...]

MC55_ATC_V04.00 Page 33 of 475 3/17/06 Confidential / Rele ased 2.4 A TQ Set result code present ation mode This parameter setting de termines whether or not the TA transmits any result code to the TE. Information text transmitted in response is no t affected by th is setting. Syntax Parameter Description [0] (&F) DCE transmits result code 1 Re[...]

MC55_ATC_V04.00 Page 34 of 475 3/17/06 Confidential / Rele ased 2.5 A TV Set result code format mode This command determine s the contents of heade r and trailer transmitte d with AT command result codes and information response s. Possible res ponses are describ ed in Section 2.5.1 , Verbose and num eric result codes . Syntax Parameter Description[...]

MC55_ATC_V04.00 Page 35 of 475 3/17/06 Confidential / Rele ased 2.6 A TX Set CONNECT result co de format and call monitoring ATX determines whether or not the TA detects the presence of dial tone and busy signal and whether or not TA transmits particu lar result codes. Syntax Parameter Description [0] CONNECT result code only returned, dial tone an[...]

MC55_ATC_V04.00 Page 36 of 475 3/17/06 Confidential / Rele ased 2.7 A TZ Set all current p arameters to user defined profile ATZ sets all curren t parameters to the user profile stored with AT&W . If a connection is in progress, it will be ter- minated. All defined GPRS contexts wh ich are not activated or not online will be undefined (see AT+C[...]

MC55_ATC_V04.00 Page 37 of 475 3/17/06 Confidential / Rele ased 2.8 A T+CFUN Set phone functionality The AT+CFUN command serves to control the functionality level of the ME. It can be used to reset the ME, to choose one of the SLEEP modes or to return to full functionality. Intended for power savin g, SLEEP mode reduces the func tionality of the ME[...]

MC55_ATC_V04.00 Page 38 of 475 3/17/06 Confidential / Rele ased Unsolicited Result Codes URC 1 ^SYSSTART Indicates that the ME has been sta rted and is ready to operate. If auto bauding is active ( AT+IPR =0) the URC is not generated. URC 2 ^SYSSTART CHARGE ONLY MODE Indicates that the ME has entered t h e CHARGE ONLY mode. This oc curs if the char[...]

MC55_ATC_V04.00 Page 39 of 475 3/17/06 Confidential / Rele ased by AT^SCFG ="PowerSaver/Mod e9/Timeout", <psm9to> (temporary w akeup) . In contrast to SLEEP modes 5,6,7 and 8 assertion of RTS can also be used to temporarily wa ke up the ME. In th is case too, activity time is a t least the time set with AT^SCFG ="PowerSaver/Mod[...]

MC55_ATC_V04.00 Page 40 of 475 3/17/06 Confidential / Rele ased When, for exam ple, an SMS is be ing received and in dicated by an unsolicited result code (URC), the ME wakes up to full operation. After this, you may want to verify the ope rating status: EXAMPLE 3 T o stop CY CLIC SLEEP mode and return to full functionality: Remember that this appr[...]

MC55_ATC_V04.00 Page 41 of 475 3/17/06 Confidential / Rele ased Any AT command (i ncl. outgoing SMS, voice or data call) Not possible (UART dis- abled) Temporar y Temporar y Incoming SMS ( AT+CNMI is set to 0,0 (this is the default setting) No effect No effect No effect Incoming SMS ( AT+CNMI is set to 1,1) Quit Quit Tempor ary GPRS data transfer N[...]

MC55_ATC_V04.00 Page 42 of 475 3/17/06 Confidential / Rele ased 2.9 A T^SMSO Switch off mobile st ation AT^SMSO initiates the power- off procedur e. Low level of the mo dule's VDD pin an d the URC " ^SHUTDOWN " notify that the procedure h as completed and the module h a s entered the POWER DOWN mo de. Therefore, be sur e not to disco[...]

MC55_ATC_V04.00 Page 43 of 475 3/17/06 Confidential / Rele ased 2.10 A T+GCAP Request comp lete T A cap abilities list AT+GCAP returns a list of additional capabilities. Syntax Parameter Description e.g.: +CGS M,+FCLASS Note • +CGSM: The response text shows which GSM comma nds of the ETSI standar d are supported. Test Command AT+GCAP=? Response(s[...]

MC55_ATC_V04.00 Page 44 of 475 3/17/06 Confidential / Rele ased 2.1 1 A T+CMEE Mobile Equipment Error Messag e Format AT+CMEE controls the format of the error result codes that i ndicates errors related to MC55 functionality. Format can be selected be tween plain "E RROR" output, erro r numbers or ver bose "+CME ERROR: <err> &q[...]

MC55_ATC_V04.00 Page 45 of 475 3/17/06 Confidential / Rele ased 2.1 1.1 CME/CMS Error Code Overview Table 2.4: General "CME ERROR" Codes (GSM 07.07) <err> Cod e Text (if AT+CMEE =2) 0 phone failure 1 no connection to phone 2 phone-adapter link reserved 3 Operation not allowed 4 Operation not supported 5 PH-SIM PIN required 6 PH-FSIM[...]

MC55_ATC_V04.00 Page 46 of 475 3/17/06 Confidential / Rele ased Table 2.5: General "CME ERROR" Codes (SIEMENS) Table 2.6: GPRS related "CME ERROR" Codes (GSM 07.07 ) Table 2.7: SMS related "CMS ERROR" Codes (GSM 07.0 5) 133 requested se rvice option not subsc ribed 134 service op tion tempora rily out of orde r 256 Ope[...]

MC55_ATC_V04.00 Page 47 of 475 3/17/06 Confidential / Rele ased 38 Network out of ord er 41 Temporary failure 42 Congestion 47 Resources unavailable, un specified 50 Requested facility not subscribed 69 Requested facility not implemented 81 Invalid short message tra nsfer reference value 95 Invalid message, un specified 96 Invalid mandatory informa[...]

MC55_ATC_V04.00 Page 48 of 475 3/17/06 Confidential / Rele ased 302 Operation not allowed 303 Operation not supported 304 Invalid PDU mode parameter 305 Invalid text mode parameter 310 SIM not inserted 311 SIM PIN required 312 PH-SIM PIN required 313 SIM failure 314 SIM busy 315 SIM wrong 316 SIM PUK required 317 SIM PIN2 required 318 SIM PUK2 requ[...]

MC55_ATC_V04.00 Page 49 of 475 3/17/06 Confidential / Rele ased 2.12 A T+CSCS S elect TE character set The AT+CSCS write command in forms the TA which character s et <chset> is used by the TE. This enables the TA to convert character str ings correctly between TE and ME ch aracter sets. See also Section 1.5 , Supported character s ets . Note [...]

MC55_ATC_V04.00 Page 50 of 475 3/17/06 Confidential / Rele ased 2.13 A T^SCFG E xtended Co nfiguration Settings AT^SCFG can be used to query and configure va rious settings of the MC55. The AT^SCFG read command re turns a list of all supported parameters and their current valu es. The AT^SCFG write command queries a configura tion parameter (i f no[...]

MC55_ATC_V04.00 Page 51 of 475 3/17/06 Confidential / Rele ased ^SCFG: "T cp/WithURCs", <tcpWithUrc> ^SCFG: "URC/CallS tatus/CIEV", <succ> ^SCFG: "URC/CallS tatus/SLCC", <sucs> ^SCFG: "URC/Datamode/Ringline", <udri> ^SCFG: "URC/Ringline", <uri> ^SCFG: "URC/Ringline[...]

MC55_ATC_V04.00 Page 52 of 475 3/17/06 Confidential / Rele ased ERROR +CME ERROR Write Command Control S pecial Call Handover Setting AT^SCFG= "Radio/Band/HandOver"[, <HandOverStatus> ] Response(s) ^SCFG: "Radio/Band /HandOver", <HandOverStatus> OK ERROR +CME ERROR Write Command Configuration of TCP para meter '[...]

MC55_ATC_V04.00 Page 53 of 475 3/17/06 Confidential / Rele ased Write Command Configuration of URC " +CIEV : call" Call S tatus Indication AT^SCFG= "URC/CallS tatus/CIEV"[, <succ> ] Response(s) ^SCFG: "URC/CallS tatus/CIEV", <succ> OK ERROR +CME ERROR Write Command Configuration of URC " ^SLCC " C[...]

MC55_ATC_V04.00 Page 54 of 475 3/17/06 Confidential / Rele ased Parameter Description Adaptive Multi Rate This parameter can be used to contr ol the usage of the feature "Adaptive Multi Rate" (AMR). It is possible to enable or disable this feature fo r all network operators, or to enable it for selected operators (max. 10). If the feature[...]

MC55_ATC_V04.00 Page 55 of 475 3/17/06 Confidential / Rele ased Power saving mode 9 timeout This parameter can be u sed to query or configure th e wake up time for power saving mode 9 (see AT+CFUN with parameter <fun> =9). Parameter is global for the ME, volatile and will not be reset by AT&F . 5...20 (P) ...36000 The granularity of the t[...]

MC55_ATC_V04.00 Page 56 of 475 3/17/06 Confidential / Rele ased ever, in each service profile, you can set ano ther "tcpOT" value which has precedence over the glob al value set with AT^SCFG . Existing service profiles are not affected whe n you change the global value via AT^SCFG . Parameter is non-volatil e. Use of default value is reco[...]

MC55_ATC_V04.00 Page 57 of 475 3/17/06 Confidential / Rele ased "local" (P) URC will be indicated by an activated RING line of the interface on which the URC appears "asc0" URC is indicated by an activated RING0 line. URC Datamode RING line This parameter specifies wh ether RING or BREAK is used for the signaling of URCs when th[...]

MC55_ATC_V04.00 Page 58 of 475 3/17/06 Confidential / Rele ased EXAMPLE 2 Usage of "URC/Ringline" and "URC/Datamo de/Ringline": ^SCFG:"Audio/AMR","23405" AMR is disabled for any operator, bu t enabled for operator "2 3405". OK AT^SCFG="Audio/AMR","23203" ^SCFG:"Audio/AMR&quo[...]

MC55_ATC_V04.00 Page 59 of 475 3/17/06 Confidential / Rele ased 2.14 A T^SM20 S et M20 comp atibility mode M20 is an ear lier, widely used SIEMENS GSM en gine. The AT^SM20 command selects different modes of responses returned u pon execution of the com m ands ATD and sms commands like e.g. AT+CMGW . Please note that the AT^SM20 command has no effec[...]

MC55_ATC_V04.00 Page 60 of 475 3/17/06 Confidential / Rele ased 3. S t atus Control Commands The AT Commands descr ibed in this chapter allow the exte rnal application to obtain various status information from the MC55. 3.1 A T+CMER Mobile Equipment Event Reporting This command controls details of the " +CIEV " URC presentation relate d t[...]

MC55_ATC_V04.00 Page 61 of 475 3/17/06 Confidential / Rele ased Parameter Description 0 (&F) Discard " +CIEV " and " ^SLCC " URCs. 1 Discard " +CIEV " and " ^SLCC " URCs when TA-TE link is reserved, e.g. in online data mode. Otherwise they are forwarded di rectly to the TE. 2 Buffer " +CIEV " an[...]

MC55_ATC_V04.00 Page 62 of 475 3/17/06 Confidential / Rele ased 3.2 A T+CIND Indicator control The AT+CIND command controls the presentation of Indicator Event Reports rela ted to various functions such as battery charge level, signal qua lity, service availability, sound genera tion, indication of unread short mes- sages, full SMS storage, call in[...]

MC55_ATC_V04.00 Page 63 of 475 3/17/06 Confidential / Rele ased String values and their <indValue> ranges. More indications are available via AT^SIND . Th erefore use of AT^SIND for control of all indications is recom- mended. The following indica tions are accessible via AT+CIND : "battchg" Battery char ge level 0.. 4 or 5 if no m [...]

MC55_ATC_V04.00 Page 64 of 475 3/17/06 Confidential / Rele ased Notes • Due to its re strictive value range, indicator "ca ll" does not clearly reflect specific call st ates (such as alerting, active, held etc.), but rather serves to trigger the applic ation to retrieve the new call st atus from the list of cur- rent calls with the A T [...]

MC55_ATC_V04.00 Page 65 of 475 3/17/06 Confidential / Rele ased 3.3 A T^SIND Extended Indicator Con trol Designed for extended event in dicator control AT^SIND • offers greater flexibilit y than the standard command AT+CIND , • offers several extra indicators, • can show the current status of all indicato rs supported by AT+CIND and AT^SIND ,[...]

MC55_ATC_V04.00 Page 66 of 475 3/17/06 Confidential / Rele ased Unsolicited Result Codes URC 1 Format of the stand ard indicato r: +CIEV: <indDescr> , <indValue> Value related to an indicator has chan ged. URC 2 Format of the Vo ice Message indicator, if the number of waiting messages is delivered by the network: +CIEV: <indDescr>[...]

MC55_ATC_V04.00 Page 67 of 475 3/17/06 Confidential / Rele ased The "vmwait" indicators do not apply if a network provider sign als new voice mail(s) via standard SMS. In this case the indicato r "message" will be displayed (see AT+CIND ). "vmwait2" Voice Message Waiting Indication for line 2 "ciphcall" Ciphe[...]

MC55_ATC_V04.00 Page 68 of 475 3/17/06 Confidential / Rele ased EF ONString (Operato r Name String) - contains the name of the PLMN o perator who issued the SIM. EF OPShort (Operator Name Short form) - contains a short fo rm of the name of the PLMN operator who issu ed the SIM. "nitz" Network Identity and Time Zone indication This indicat[...]

MC55_ATC_V04.00 Page 69 of 475 3/17/06 Confidential / Rele ased If the type is 2, 4 or 5, AT+COPS with the appropr iate <mode> displays the same operator name. 0 Indicator is deregistered, i.e. no su ch indicator event report (URC) will be issued. <mode> =0 is power-up and factory d e fault of indicato rs defined by AT^SIND only. 1 Indi[...]

MC55_ATC_V04.00 Page 70 of 475 3/17/06 Confidential / Rele ased +CIEV: sounder,0 +CIEV: message,1 +CIEV: call,0 +CIEV: roam,0 +CIEV: smsfull,0 +CIEV: rssi,4 +CIEV: audio,0 ATD030123456 You make a call. OK +CIEV: audio,1 +CIEV: sounder,1 +CIEV: call,1 +CIEV: signal,0 +CIEV: sounder,0 ATH You hang up. OK +CIEV: call,0 +CIEV: rssi,3 +CIEV: audio,0 +CI[...]

MC55_ATC_V04.00 Page 71 of 475 3/17/06 Confidential / Rele ased 3.4 A T+CEER Extended Error Report AT+CEER returns an extended error rep ort regarding the reason of the last • call release • failure to set up a call (both mobile originated or terminate d) • failure to modify a call by using Supplementary Services • failed attempt to activat[...]

MC55_ATC_V04.00 Page 72 of 475 3/17/06 Confidential / Rele ased Examples EXAMPLE 1 EXAMPLE 2 The user attempt s to activate call barring, but uses a wrong passwo rd. 3.4.1 Cause Location ID for the extended error report ATD"01751223344"; A mobile originated call is re jected by the remote p arty. NO CARRIER Call setup is terminat ed with [...]

MC55_ATC_V04.00 Page 73 of 475 3/17/06 Confidential / Rele ased 3.4.2 GSM release cause fo r L3 Radio Resource (RR) 3.4.3 SIEMENS release cause for L3 Radio Resource (RR) 35 Supplementary Services netwo rk error (GSM 04.80 3.6.6) 48 GSM cause for GPRS Mobility Mana gement (GSM 04 .08 annex G.6) 49 SIEMENS cause for GPRS Mobility Management 50 GSM c[...]

MC55_ATC_V04.00 Page 74 of 475 3/17/06 Confidential / Rele ased 3.4.4 GSM release cause for Mobility Management (MM) or Session Management (SM) 3 Access class of the SIM is ba rred by the network pro vider 4 SABM failure 5 Radio link counter expiry or Perf ormAbnormalR elease 6 Confirm ABORT of the MM 7 Respond to DEACT REQ 8 Loss of coverage 9 Ree[...]

MC55_ATC_V04.00 Page 75 of 475 3/17/06 Confidential / Rele ased 3.4.5 SIEMENS release cause fo r L3 Mobility Management (MM) 3.4.6 GSM release cause for L3 Call Control (CC) Causes related to GPRS 7 GPRS services not allowed 8 GPRS services not allowed in combination with non-GPRS service s 9 MS identity cannot be identified by the network 10 Impli[...]

MC55_ATC_V04.00 Page 76 of 475 3/17/06 Confidential / Rele ased 25 Pre-emption 26 Non-selected user clearing 27 Destination out of order 28 Invalid number format ( incomplete number) 29 Facility rejected 30 Response to STATUS ENQUIRY 31 Normal, unspecified Resource un available clas s 34 No circuit/channel available 38 Network out of order 41 Tempo[...]

MC55_ATC_V04.00 Page 77 of 475 3/17/06 Confidential / Rele ased 3.4.7 SIEMENS release caus e for L3 Call Control (CC) 3.4.8 SIEMENS release cause fo r L3 Advice of Charge (AOC) 3.4.9 GSM Release cause for Supplement ary Service Call 111 Protocol error, unspecified Interworking class 127 Interworking, unspecified Number Description 1 Call dropped 2 [...]

MC55_ATC_V04.00 Page 78 of 475 3/17/06 Confidential / Rele ased 16 IllegalSSOperation 17 SSErrorStatus 18 SSNotAvailable 19 SSSubscriptionViolation 20 SSIncompatibility 21 FacilityNotSupported 27 AbsentSubscriber 29 ShortTermD enial 30 LongTermDenial 34 SystemFailure 35 DataMissing 36 Unexpected DataValue 37 PWRegistrationFailure 38 NegativePWCheck[...]

MC55_ATC_V04.00 Page 79 of 475 3/17/06 Confidential / Rele ased 3.4.10 SIEMENS release cause for Call-related Supp lement ary Ser- vices (CRSS) Number Description 0 ECT procedure failed (tim er expired) 1 Call has been cleared without receiving an answer to ECT request 2 Initial conditions not fulfille d (one active, one held call) 3 Received "[...]

MC55_ATC_V04.00 Page 80 of 475 3/17/06 Confidential / Rele ased 3.4.1 1 SIEMENS release cause for Session Management (SM) 3.4.12 GSM cause for L3 Protocol module or other local cause 3.4.13 SIEMENS release cause for GPRS API 3.4.14 SIEMENS release cause for PPP/IP-St ack Number Description 3 The MS has not got any answer to the ACTIVAT E PDP CONTEX[...]

MC55_ATC_V04.00 Page 81 of 475 3/17/06 Confidential / Rele ased 3.5 A TS18 Extended call release report ATS18 controls the presentation of extended call release re ports for circuit switch ed fax and data calls. Exten ded call release reports relate d to voice calls are controlled via AT+CEER . The call release report is presented in numeric format[...]

MC55_ATC_V04.00 Page 82 of 475 3/17/06 Confidential / Rele ased Examples EXAMPLE 1 EXAMPLE 2 ATS18=1 Enables the presentation of extended call release repo rts. OK ATD03012345678 Now, a mobile originated data call fails. +CAUSE: 8:17 An extended error repo rt is output, followed by the resu lt code BUSY. BUSY The Location ID 8 stated in Section 3.4[...]

MC55_ATC_V04.00 Page 83 of 475 3/17/06 Confidential / Rele ased 3.6 A T+CP AS Mobile equipment activity st atus The AT+CPAS execute command indicate s the activity status of the ME. Syntax Parameter Description 0 Ready 3 Incoming call (ringing) 4 Call in progress or call hold Test Command AT+CPAS=? Response(s) +CPAS: (list of suppor ted <pas>[...]

MC55_ATC_V04.00 Page 84 of 475 3/17/06 Confidential / Rele ased 3.7 A T+WS46 Select wireless network Syntax Parameter Description 12 GSM digital cellular Test Command AT+WS46=? Response(s) +WS46: (list of suppor ted <n> s) OK Read Command AT+WS46? Response(s) <n> OK Write Command AT+WS46= [ <n> ] Response(s) OK ERROR +CME ERROR Re[...]

MC55_ATC_V04.00 Page 85 of 475 3/17/06 Confidential / Rele ased 4. Serial Interface Control Commands The AT Commands descr ibed in this chap ter allow the exte rnal application to determine various settings related to the MC55's serial interface. 4.1 A TQ Flow control Syntax Parameter Description [0] (&F) Disable flow control 1 XON/XOFF s[...]

MC55_ATC_V04.00 Page 86 of 475 3/17/06 Confidential / Rele ased 4.2 A T&C Set Dat a Carrier Detect (DCD) Line mode The AT&C command determines how the state of the DCD line (circuit 109) reflec ts the MC55's internal activity. Syntax Parameter Description [0] DCD line shall always be on. 1 (&F) DCD line shall be on only when data c[...]

MC55_ATC_V04.00 Page 87 of 475 3/17/06 Confidential / Rele ased 4.3 A T&D Set circuit Dat a T ermin al Ready (DTR) function mode The AT&D determines how the TA r esponds when circuit 108 /2 (DTR) is changed from ON to OFF during data mode. Syntax Parameter Description [0] TA ignores status of DTR. 1 ON->OFF on DTR: Change to comman d mod[...]

MC55_ATC_V04.00 Page 88 of 475 3/17/06 Confidential / Rele ased 4.4 A T&S Set circuit Dat a Set Ready (DSR) function mode The AT&S command determines how the TA sets circuit 10 7 (DSR) depending on the communication state of the TA interfacing TE. Syntax Parameter Description [0] (&F) DSR line is always ON 1 TA in command mode: DSR is O[...]

MC55_ATC_V04.00 Page 89 of 475 3/17/06 Confidential / Rele ased 4.5 A TE Enable command echo The ATE command determines whether or not the TA e choes characters received from TE during command state. Syntax Parameter Description [0] Echo mode off 1 (&F) Echo mode on Note • In case of using the command without para meter , <value> is set[...]

MC55_ATC_V04.00 Page 90 of 475 3/17/06 Confidential / Rele ased 4.6 A T+ILRR Set TE-T A local rate reporting The command AT+ILRR contr ols whether or not the intermediate result code " +ILRR " is transmitted from the TA to the TE while a connection is being set up. The result code indicat es the local rate . It is issued before the final [...]

MC55_ATC_V04.00 Page 91 of 475 3/17/06 Confidential / Rele ased 19200 28800 38400 57600 115200 230400[...]

MC55_ATC_V04.00 Page 92 of 475 3/17/06 Confidential / Rele ased 4.7 A T+IPR Set fixed local rate The command AT+IPR can be used to set or quer y the TE-TA interface bit rate. Syntax Command Description The test command returns the values of the supported a u tomatically detectable bit r ates and the values of the supported fixed bit rates. The read[...]

MC55_ATC_V04.00 Page 93 of 475 3/17/06 Confidential / Rele ased 14400 19200 28800 38400 57600 115200 230400 Notes • Delivery value for <rate> is autobaudin g enabled ( AT+IPR =0) on ASC0 and 57600bp s on ASC1. It will not be restored with AT&F . • The curren t setting of AT+IPR will be preserved when you download fir mware (i.e. a fir[...]

MC55_ATC_V04.00 Page 94 of 475 3/17/06 Confidential / Rele ased - It is not recommended to switch to autobauding from a bi t rate that cannot be detected by the autobau d mechanism (e.g. 300 bps). Re sponses to AT+IPR =0 and any commands on the sam e line might be cor- rupted. • Autobauding and bit r ate after restart The most recently detecte d [...]

MC55_ATC_V04.00 Page 95 of 475 3/17/06 Confidential / Rele ased 4.8 A T+CMUX Enter multiplex mode All information provided in this section applies to the ASC0 interface only. T he second interface ASC1 has no support of Multiplex mode. Multiplex mode according to th e ETSI TS 101 669 a nd GSM 07.10 enables on e physical serial asynchronous interfac[...]

MC55_ATC_V04.00 Page 96 of 475 3/17/06 Confidential / Rele ased Notes • The write comman d is used to enter the multiplex mode . The setup of the lo gical channels is initiated by the TE, i.e. the TE act s as initiator . This means that the TE shall ensu re that logical channels are esta blished before any further actions on the channels can be s[...]

MC55_ATC_V04.00 Page 97 of 475 3/17/06 Confidential / Rele ased Table 4.2: Summary of AT commands with Different Behavi or in Multiplex Mode Command Description ATQ It is recommended to use ha rdware flow control ( ATQ 3). XON/XOFF flow control ( ATQ 1) is not supported in Multiplex mo de. See note regarding ATQ n settings stored with AT&W [...]

MC55_ATC_V04.00 Page 98 of 475 3/17/06 Confidential / Rele ased 4.8.2 Second serial interface ASC1 The second serial interface ASC1 is intended as an auxilia ry interface for applicatio ns which need multiple par- allel access to the module (e.g. to query status information during a data call), but cannot use the GSM 07.10 multiplexing protocol. Th[...]

MC55_ATC_V04.00 Page 99 of 475 3/17/06 Confidential / Rele ased 5. Security Commands The AT Commands descr ibed in this ch apter allow the exte rnal application to determine various security related settings. 5.1 A T+CPIN PIN Authentication AT+CPIN controls network a uthen tication of the MC55. The read c ommand ret urns an al phanumeric string ind[...]

MC55_ATC_V04.00 Page 100 of 475 3/17/06 Confidential / Rele ased Parameter Description Password (string type), usually SIM PIN1. If the requested password was a PUK, such as SIM PUK1 or PH-FSIM PUK or another password, th en <pin> must be followed by <new pin> . If the requested code was a PUK: specify a new password or restore the form[...]

MC55_ATC_V04.00 Page 101 of 475 3/17/06 Confidential / Rele ased Notes • Successful PIN authentic ation only conf irms that th e entered PIN was recogn ized and co rrect. The ou tput of the result code OK does not necessarily imply th at the mobile is registered to the desired networ k. T ypical examp le: PIN was enter ed and accepte d with OK, b[...]

MC55_ATC_V04.00 Page 102 of 475 3/17/06 Confidential / Rele ased SIM locks: These are factory set locks, such as "PF", "PN", "PU", "PP", "PC". An 8-digit unloc king code is required to operate the mobile with a different SIM card, or to lift the lock. The code can only be obtained from the provider.[...]

MC55_ATC_V04.00 Page 103 of 475 3/17/06 Confidential / Rele ased 5.2 A T+CPIN2 PIN2 Authentication AT+CPIN2 controls network a uthen tication of the MC55. The read c ommand ret urns an al phanumeric string indica ting whether or not ne twork auth entication is required. The write command allows th e MC55 to store the en tere d password. This may be[...]

MC55_ATC_V04.00 Page 104 of 475 3/17/06 Confidential / Rele ased Note • Functions accessible only after PIN2 authentication: AT+CACM : Accumulated call meter (ACM) reset or query AT+CAMM : Accumulated call meter maximum (ACMmax) set or query AT+CLCK : Facility lock to "FD" (Fixed dialing phonebook) AT^SLCK : Facility lock to "FD&qu[...]

MC55_ATC_V04.00 Page 105 of 475 3/17/06 Confidential / Rele ased 5.3 A T^SPIC Display PIN counter The AT^SPIC command can be used to find out whet her the ME is waiting fo r a password and , if so, how many attempts are left to enter th e password. The execute command returns th e number of attempts still available for entering the currently requir[...]

MC55_ATC_V04.00 Page 106 of 475 3/17/06 Confidential / Rele ased Password for which the correspond ing PIN counter is to be displayed. "SC" SIM PIN or SIM PUK. If the SIM PIN has been deactiva ted after thre e failed attempts, the counter for SIM PUK will be return ed instead. "PS" "Phone code" or "de vice code&qu[...]

MC55_ATC_V04.00 Page 107 of 475 3/17/06 Confidential / Rele ased EXAMPLE 2 Though a mobile is locked to a specific SIM card (phone lock), the user attempt s to operate it with another SIM card. The user correctly enters th e SIM PIN of the SIM card currently in serted, but then fail s to give the ''PS'' lock password (PH-SIM PUK[...]

MC55_ATC_V04.00 Page 108 of 475 3/17/06 Confidential / Rele ased EXAMPLE 3 This example shows that after successful SI M PIN1 authentication th e counter of the AT^SPIC execute and read command refers to SIM PIN2, i.e. it does not reflect the st atus of SIM PIN1. This may be a problem if the user enters a wrong PIN1 and is no t aware that the numbe[...]

MC55_ATC_V04.00 Page 109 of 475 3/17/06 Confidential / Rele ased 5.4 A T+CLCK Facility lock AT+CLCK can be used to lock, unloc k or interrogat e a network or ME <facility> . The command can be aborted when network facilities are being set or interrogated. Syntax Parameter Description Phone security lock s set by client or fact ory Primarily i[...]

MC55_ATC_V04.00 Page 110 of 475 3/17/06 Confidential / Rele ased <password> : User defined password . It is needed before the first use of <facility> "PS" and, theref ore, must firs t be specified wi th AT+CPWD or AT^SPWD , if it has not been predefin ed by fact ory settings. If set by factory (e.g. for a prepaid mobile), the [...]

MC55_ATC_V04.00 Page 111 of 475 3/17/06 Confidential / Rele ased Supplementary Service Call Barring: Supplementary Service "C all Barring" allows to spec ify conditions unde r which calls will be disallowed by the network. The availability of the Supple mentary Services varies with the network. To benefit from call barring the client will[...]

MC55_ATC_V04.00 Page 112 of 475 3/17/06 Confidential / Rele ased 64 dedicated packet access 128 dedicated PAD access 1...[7]...255 combina tion of some of the above classe s. For example, the d efault setting 7 repr es ents the sum of the integers 1, 2 an d 4 (voice, data and fax). The value 255 covers all classes. If parameter "class" is[...]

MC55_ATC_V04.00 Page 113 of 475 3/17/06 Confidential / Rele ased EXAMPLE 2 Phone lock ( <facility> ="PS") T o lock the ME to the currently inserted SIM card, first specify a password for <facility> "PS": Optionally , if "P S" password was defined before, change existing p assword: Then, activate the Phone L[...]

MC55_ATC_V04.00 Page 114 of 475 3/17/06 Confidential / Rele ased 5.5 A T^SLCK Facility lock AT^SLCK provides the "Facility lock" function as defined for the GSM 07.07 command AT+CLCK . The command can be used to lock, unlock or interrogate a network or ME <facility> . AT^SLCK is, in every respect, identical with AT+CLCK , except tha[...]

MC55_ATC_V04.00 Page 115 of 475 3/17/06 Confidential / Rele ased 5.6 A T+CPWD Change Password AT+CPWD allows to define a new password for a password pr otected <facility> lock function. Each password is a string of digits, the length of which varies with the assoc iated <facility> . The test command returns a list of pairs which represe[...]

MC55_ATC_V04.00 Page 116 of 475 3/17/06 Confidential / Rele ased "PS" Phone locked to SIM card. ME requests password when other than cur rent SIM card is inserted. "PS" lock is frequently referred to as "phone lock", or "device lock". Accord- ingly, the password may be called "phone code" o r "[...]

MC55_ATC_V04.00 Page 117 of 475 3/17/06 Confidential / Rele ased "IR" BIC-Roam (Bar Incoming Calls w hen Roaming outside the hom e country) "AB" All Barring services "AG" All outGoing barring services "AC" All inComing barring services 4...8 Length of password. The range of per mitted length for a password de[...]

MC55_ATC_V04.00 Page 118 of 475 3/17/06 Confidential / Rele ased EXAMPLE 4 T o specify a new "PS " lock password, af ter the old pa ssword was disable d (e.g. af ter three faile d attempts to change the "PS" p assword): use the master phone code. CAUTION: THIS TEST SHOULD BE PERFORMED ONL Y IF THE CORR ECT MASTER PHONE CODE FOR [...]

MC55_ATC_V04.00 Page 119 of 475 3/17/06 Confidential / Rele ased 5.7 A T^SPWD Change Password The AT^SPWD command provides the same functions as AT+CPWD . The major differ ence betwee n both com- mands is that, apart from the differ ent prefixes "^SPWD" and "+CPWD", the AT^SPWD command includ es addi- tional functions dedicated [...]

MC55_ATC_V04.00 Page 120 of 475 3/17/06 Confidential / Rele ased 6. Identification Commands The AT Commands descri bed in this chapter allow the extern al application to obtain various id entification infor- mation related to the MC 55 and linked entities. 6.1 A TI Display product identification information The ATI execute comm and delivers a produ[...]

MC55_ATC_V04.00 Page 121 of 475 3/17/06 Confidential / Rele ased 6.2 A T+CGMI Request manu facturer identification AT+CGMI returns a ma nufacturer iden tification text. See also: AT+GMI . Syntax 6.3 A T+GMI Request manufacturer identification AT+GMI returns a ma nufacturer identification text. See a lso: AT+CGMI . Syntax Test Command AT+CGMI=? Resp[...]

MC55_ATC_V04.00 Page 122 of 475 3/17/06 Confidential / Rele ased 6.4 A T+CGMM Request mo del identification AT+CGMM returns a product model identificati on text. Command is identical with AT+GMM . Syntax 6.5 A T+GMM Request model identification AT+GMM returns a pr oduct mode l identification t ext. Comma nd is identica l with AT+CGMM . Syntax Test [...]

MC55_ATC_V04.00 Page 123 of 475 3/17/06 Confidential / Rele ased 6.6 A T+CGMR Request revision iden tification of sof tware st atus AT+CGMR delivers a p r oduct firmware version id entification. Command is identical with AT+GMR . Syntax Parameter Description Version xx and variant yy of software re lease. 6.7 A T+GMR Request revision iden tificatio[...]

MC55_ATC_V04.00 Page 124 of 475 3/17/06 Confidential / Rele ased 6.8 A T+CGSN Request Internationa l Mobile Equipment Identity (IMEI) AT+CGSN delivers the Inter national Mobile Eq uipment Identity (IMEI). Command is id entical with: AT+GSN . Syntax Parameter Description International Mobile Equipment Identity ( IMEI) used to identify a GSM mobile e[...]

MC55_ATC_V04.00 Page 125 of 475 3/17/06 Confidential / Rele ased 6.10 A T+CIMI R equest International Mobile Subscriber Identity (IMSI) AT+CIMI delivers the International Mobile Subscriber Identity (I MSI). The IMSI permits the TE to identify the indi- vidual SIM attached to the ME. Syntax Parameter Description International Mobile Su bscriber Iden[...]

MC55_ATC_V04.00 Page 126 of 475 3/17/06 Confidential / Rele ased 7. Call related Commands The AT Commands described in this chapter are related to Mobile Originated (MOC, i.e . outgoing) Ca lls and Mobile Terminated (MTC, i.e. incoming) Calls. 7.1 Call St atus Information For Circuit switched calls, including voice, fax and data calls , call status[...]

MC55_ATC_V04.00 Page 127 of 475 3/17/06 Confidential / Rele ased 7.2 A T A Answer a call Syntax Command Description TA causes remote station to go off-hook (e.g. answer cal l). Parameter Description Connection status <text> output only if ATX parameter setting with value greater 0. Notes • Any additional commands on the same co mmand line a[...]

MC55_ATC_V04.00 Page 128 of 475 3/17/06 Confidential / Rele ased 7.3 A TD Mobile originated call to specified number Syntax Command Description This command can be used to set up outgoing voice , data or fax calls. It also serves to control Supplem entary Services. The terminati on character ";" is mandatory to se t up voice calls or to s[...]

MC55_ATC_V04.00 Page 129 of 475 3/17/06 Confidential / Rele ased String of GSM modifiers: I Activates CLIR (disables presentation of own phone number to called party) i Deactivates CLIR (enables presentation of own phone numbe r to called party) G Activate Closed User Group explicit invocation for this call only. g Deactivate Closed User Group expl[...]

MC55_ATC_V04.00 Page 130 of 475 3/17/06 Confidential / Rele ased 7.4 A TD><mem><n> Mobile originated call using specific memory and index number Syntax Command Description TA attempts to set up an outgoing call to th e specified number. The termination charac ter ";" is ma ndatory since dialing from a phonebook is on ly sup[...]

MC55_ATC_V04.00 Page 131 of 475 3/17/06 Confidential / Rele ased Notes • This command may be aborted gen erally by receiving a character during execution. Abortion is not possible during some st ates of connecti on setup such as handshaking. • There is no <mem> for emergency call ("EN"). • The command is not applicable to data[...]

MC55_ATC_V04.00 Page 132 of 475 3/17/06 Confidential / Rele ased 7.5 A TD><n> M obile originated call from active memory using index number Syntax Command Description TA attempts to set up an outgoin g call to the stored number. The termin ation character ";" is mandatory since dialing from a phonebook is on ly supported for voic[...]

MC55_ATC_V04.00 Page 133 of 475 3/17/06 Confidential / Rele ased 7.6 A TD><str> Mobile originated call from active memory using cor- responding field Syntax Command Description This command searches the active p honebook for a give n string <str> and dials the assigned phone nu mber. The termination character ";" is mandato[...]

MC55_ATC_V04.00 Page 134 of 475 3/17/06 Confidential / Rele ased 7.7 A TDI Mobile originated call to ISDN number Syntax Command Description TA attempts to set up an outgoing ca ll to ISDN numbe r. The termination character ";" is mandatory to set up voice calls or to send *# codes for Su pplementary Services. It must not be used for data [...]

MC55_ATC_V04.00 Page 135 of 475 3/17/06 Confidential / Rele ased 7.8 A TDL Redial last number used Syntax Command Description This command redial s the last voice and data call numb er used in the ATD command. If terminated with semi- colon ";" ATDL dials the last vo ice ca ll number stored in the "LD" phonebook . Othe rwise, th[...]

MC55_ATC_V04.00 Page 136 of 475 3/17/06 Confidential / Rele ased 7.9 A TH Disconnect existing connection Syntax Command Description Disconnect existing call from command lin e by local TE and terminate call. Parameter Description [0] disconnect from line and terminate ca ll Notes • OK is issued after circuit 109 (DCD) is turned off, if it was pre[...]

MC55_ATC_V04.00 Page 137 of 475 3/17/06 Confidential / Rele ased 7.10 A T+CHUP Hang up call Syntax Command Description Cancels all active and held calls. Note • AT+CHUP implements th e same function as ATH Test Command AT+CHUP=? Response(s) OK ERROR +CME ERROR Exec Command AT+CHUP Response(s) OK ERROR +CME ERROR Reference(s) PIN ASC0 ASC 1 MUX1 M[...]

MC55_ATC_V04.00 Page 138 of 475 3/17/06 Confidential / Rele ased 7.1 1 A TS0 Set number of rings befo re automatically answering a call Syntax Parameter Description 000 (&F) Auto matic answer mode is disab led. 001-255 Enable automatic answering af ter specified nu mber of rings. Notes • This command works for MT data and fax calls. • Autoa[...]

MC55_ATC_V04.00 Page 139 of 475 3/17/06 Confidential / Rele ased 7.12 A TS6 Set pause before blind dialing Syntax Command Description No effect for GSM. Parameter Description 000 (&F) .. .255 Read Command ATS6? Response(s) <n> OK Write Command ATS6= <n> Response(s) OK ERROR Reference(s) PIN ASC0 ASC 1 MUX1 MUX2 MUX3 Charge  Last [...]

MC55_ATC_V04.00 Page 140 of 475 3/17/06 Confidential / Rele ased 7.13 A TS7 Set number of seconds to wait for connection completion ATS7 specifies the number of seconds the TA will wait fo r the completion of the ca ll setup when answering or originating a data call. Also referred to as "no answer timeou t". To put it plainly, this is the[...]

MC55_ATC_V04.00 Page 141 of 475 3/17/06 Confidential / Rele ased 7.14 A TS8 Set number of seconds to wait for comma dialing modifier This command specifies the amount of time, in seconds, that the DCE shall pause, during signalling of call addressing information to the network (dialling) , when a "," (comma) dial modifier is encounter ed [...]

MC55_ATC_V04.00 Page 142 of 475 3/17/06 Confidential / Rele ased 7.15 A TS10 Set disconnect delay after indicating the absence of dat a carrier Syntax Command Description This parameter setting determines the amount of time, th at the TA re mains connected in absence of a data ca r- rier. If the data carrier is dete cted before disconnect, the TA r[...]

MC55_ATC_V04.00 Page 143 of 475 3/17/06 Confidential / Rele ased 7.16 A T O Switch from comm and mode to dat a mode / PPP online mode Syntax Command Description ATO is the corresponding comman d to the +++ escape se quence: When you have established a CSD call or a GPRS connection and TA is in command mode, ATO causes the TA to resu me th e data or[...]

MC55_ATC_V04.00 Page 144 of 475 3/17/06 Confidential / Rele ased 7.17 +++ Switch from data mode to command mode Syntax Command Description This command is only available duri ng a CSD call or a GPRS connection. The +++ character sequen ce causes the TA to canc el the data flow ov er the AT inte rface and switch t o command mo de. This allows you to[...]

MC55_ATC_V04.00 Page 145 of 475 3/17/06 Confidential / Rele ased 7.18 A T+CBST Select bearer service type The AT+CBST write command selects the bearer service <name> , the data rate <speed> and the connection element <ce> to be used when da ta calls are originated. Th e settings a lso apply to mo bile terminat ed data calls, espec[...]

MC55_ATC_V04.00 Page 146 of 475 3/17/06 Confidential / Rele ased 7.19 A T+CRLP Select radio link prot ocol p arameters for originated non-transp arent data calls The AT+CRLP write co mmand sets ra dio link proto col (RLP) p arameters us ed when no n-transparen t data calls are originated. The read comm and returns the current settings for the suppo[...]

MC55_ATC_V04.00 Page 147 of 475 3/17/06 Confidential / Rele ased 7.20 A T+CLCC List current calls of ME The execute comma nd returns a list of current calls of ME . I f command is successful, but no c alls are availa ble, no informatio n respon se is sent to TE. Syntax Parameter Description Call identification number as desc ribed in GSM02.30 subcl[...]

MC55_ATC_V04.00 Page 148 of 475 3/17/06 Confidential / Rele ased 3 Voice followed by data, voice mode (o nly in connection with single numbering scheme AT+CSNS ) 4 Alternating voice/data, voice mode (o nly in connection with single numbe ring scheme AT+CSNS ) 5 Alternating voice/fax, voice mo de (only in connection with single numbering scheme AT+C[...]

MC55_ATC_V04.00 Page 149 of 475 3/17/06 Confidential / Rele ased 7.21 A T^SLCC Siemens defined comm and to list current calls of ME AT^SLCC covers essentially th e same information as GSM 0 7.07 command AT+CLCC , with the following addi- tions: • The execute command respon se co ntains an additio nal parameter <traffic channel assigned> ind[...]

MC55_ATC_V04.00 Page 150 of 475 3/17/06 Confidential / Rele ased Unsolicited Result Code Unsolicited Call Status information if the list of curren t calls is empty: ^SLCC: if one or more calls are currently in the list: ^SLCC: <idx> , <dir> , <stat> , <mode> , <mpty> , <traffic channel assigned> [, <number>[...]

MC55_ATC_V04.00 Page 151 of 475 3/17/06 Confidential / Rele ased state of the call 0 active 1h e l d 2 dialing (MOC) 3 alerting (MOC) 4 incoming (M TC) 5 waiting (MTC) 6 terminating: The call is not active anym ore, but inband information is still avail- able. 7 dropped: The call has b een suspended by the network, but may be resumed later. bearer/[...]

MC55_ATC_V04.00 Page 152 of 475 3/17/06 Confidential / Rele ased type of address octect 145 dialing string <number> includes international access code character '+' 129 otherwise Alphanumeric representation of <number> cor responding to the entry found in phonebook; used char acter set should be the one select ed with comma nd[...]

MC55_ATC_V04.00 Page 153 of 475 3/17/06 Confidential / Rele ased EXAMPLE 2 ^SLCC: 1,0,2,0,0,0,''1234567'',129,''Called Party'' MO call starts, paging B-party ^SLCC: End of current list ^SLCC: 1,0,2,0,0,1,''1234567'',129,''Called Party'' Traffic channel established, netw[...]

MC55_ATC_V04.00 Page 154 of 475 3/17/06 Confidential / Rele ased ^SLCC: End of current list RING Incoming call is signalled. ata Incoming call is accepted. OK call is established. ^SLCC: 1,1,0,0,0,1,''1234567'',129 The call is now active. ^SLCC: End of current list ath Hang up the call. OK hang up com plete. ^SLCC: The list of c[...]

MC55_ATC_V04.00 Page 155 of 475 3/17/06 Confidential / Rele ased 7.22 A T+CR Service reporting control AT+CR configures the TA whether or not to transmit an in termediate result co de +CR: <serv> to the TE when a call is being set up. Setting the value of <mode> to 1 may lead to conne ction failure, if the application (e.g. WinFax) wait[...]

MC55_ATC_V04.00 Page 156 of 475 3/17/06 Confidential / Rele ased 7.23 A T+CRC Set Cellular Result Co des for incoming call indication The AT+CRC command controls whethe r or not to use the extended format of incoming call indication. <mode> =1 may lead to connection failure, if the applica tion (e.g. WinFax) waits for the default URC. Syntax [...]

MC55_ATC_V04.00 Page 157 of 475 3/17/06 Confidential / Rele ased 7.24 A T+CSNS S ingle Numbering Scheme The AT+CSNS command enables the ME to acce pt incoming calls when no bear er capability info rmation is pro- vided with the call, e.g. single numbering scheme ca lls or calls originating from analog devices. Syntax Parameter Description [0] (D) V[...]

MC55_ATC_V04.00 Page 158 of 475 3/17/06 Confidential / Rele ased 7.25 A T^SCNI List Call Number Information Syntax Command Description TA returns a list of current calls of ME. Parameter Description call identification number as described in GSM 02.30[1 9] subclause 4.5.5.1; this number can be used in AT+CHLD command ope rations 1...7 Call status o[...]

MC55_ATC_V04.00 Page 159 of 475 3/17/06 Confidential / Rele ased 7.26 A T^SLCD Display Last Call Duration Syntax Command Description TA returns last call duratio n or curr ent call duration. Parameter Description Format is "hh:mm:ss", where characters indicate hours, minutes, seconds; E.g. 22:10:00 "22:10:00" Max value is 9999:5[...]

MC55_ATC_V04.00 Page 160 of 475 3/17/06 Confidential / Rele ased 7.27 A T^STCD Display T ot al Call Duration Syntax Command Description TA returns total call durat ion (accumul ated duratio n of all calls). Parameter Description Format is "hh:mm:ss", where characters indicate hours, minutes, seconds; E.g. 22:10:00 "22:10:00" Max[...]

MC55_ATC_V04.00 Page 161 of 475 3/17/06 Confidential / Rele ased 7.28 A TP Select pulse dialing Syntax Note • No effect for GSM. 7.29 A TT S elect tone dialing Syntax Note • No effect for GSM. Exec Command ATP Response(s) OK Reference(s) PIN ASC0 ASC 1 MUX1 MUX2 MUX3 Charge  Last V.250 ! % ! % ! ! ! ! ! Exec Command ATT Response(s) OK Refere[...]

MC55_ATC_V04.00 Page 162 of 475 3/17/06 Confidential / Rele ased 8. Network Service Commands The AT Commands descr ibed in this chapte r are relate d to various network services. More commands related to this area can be fo und in Chapter 9. , Supplementary Se rvice Commands . 8.1 A T+COPN Read operator names The AT+COPN command r eturns the list o[...]

MC55_ATC_V04.00 Page 163 of 475 3/17/06 Confidential / Rele ased 8.2 A T+COPS Operator Selection AT+COPS queries the present status of th e MC55's net work registratio n and allows to determine whether au to- matic or manual network selection shall be used. Additional service is availabl e with AT^SOPS . Three operator selection modes are av a[...]

MC55_ATC_V04.00 Page 164 of 475 3/17/06 Confidential / Rele ased Parameter Description Status 0 Unknown 1 Operator availab le 2 Current operator 3 Operator forbidde n Operator If test comm and: Operat or name in lo ng alphanu meric format and numeric f ormat. If read command: Operator na me as per <format> . If write command: Operator name in[...]

MC55_ATC_V04.00 Page 165 of 475 3/17/06 Confidential / Rele ased Note • It is not recommended to use the AT+COPS command before p assing the CHV (card holder verification) / SIM PIN1 verification. This is because after PIN1 verification the module will automatically try to register to the network as though AT+COPS were 0, regardless of the settin[...]

MC55_ATC_V04.00 Page 166 of 475 3/17/06 Confidential / Rele ased 8.3 A T^SOPS Extended Operator Selection AT^SOPS queries the pr esent status of the MC55's network registr ation. Since basic op erator selection services are available with AT+COPS this command u ses the methods of the Enha nced Operator Name String (EONS) specification while ha[...]

MC55_ATC_V04.00 Page 167 of 475 3/17/06 Confidential / Rele ased Operator name; format depends on the sour ce of th e operator name, specified by <eonsType> . Service Provider Name according to setting of Service No. 17 in the SIM Service Table (EF SST ). Operator Operator name in num erical presenta tion contains the GSM Loca tion Area Ident[...]

MC55_ATC_V04.00 Page 168 of 475 3/17/06 Confidential / Rele ased 8.4 A T+CREG Network registration The AT+CREG command serves to verify the network registration status of th e ME. For this purpose two types of URCs are available. The AT+CREG read command returns the URC presen tation mode <n> an d an integer <stat> that shows the regist[...]

MC55_ATC_V04.00 Page 169 of 475 3/17/06 Confidential / Rele ased 0 Not registered, ME is currently not sear ching for new operator There is a technical p r oblem. User inte rvention is required. Yet, emergency calls can be made if any network is available. Probable causes: • no SIM card available • no PIN entered • no valid Home PLMN entry fo[...]

MC55_ATC_V04.00 Page 170 of 475 3/17/06 Confidential / Rele ased Two byte location area code in hexadecimal format (e.g. "00C3" equals 193 in decimal). Two byte cell ID in hexadecimal format. Example <lac> (str) <ci> (str) AT+CREG=2 Activates exte nded URC mode. OK AT+COPS=0 Forces ME to automatically search ne twork operator.[...]

MC55_ATC_V04.00 Page 171 of 475 3/17/06 Confidential / Rele ased 8.5 A T+CSQ Signal quality The AT+CSQ execute command indi cates the received signal strength <rssi> and the channel bit error ra te <ber> . Syntax Parameter Description 0 -113 dBm or less 1 -111 dBm 2..30 -109... -53 dBm 31 -51 dBm or greate r 99 not know n or not de tect[...]

MC55_ATC_V04.00 Page 172 of 475 3/17/06 Confidential / Rele ased 8.6 A T^SMONC Cell Mon itoring The AT^SMONC execute command delivers ce ll information contai ning 9 values from a maximum of 7 base sta- tions. The first base station is the serving cell. Syntax Parameter Description Mobile country code 3 digits, e.g. 232 000 Not decod ed Mobile netw[...]

MC55_ATC_V04.00 Page 173 of 475 3/17/06 Confidential / Rele ased Base station identity code 2 digits, e.g. 32 00 Not decoded ARFCN (Absolute Frequency Channel Number) 0 Not decoded. In this case, all rema ining parameters related to the same chan- nel are neither decod ed. For example, a non-existing cell ap pears as follows: 000,000,0000,00 00 ,00[...]

MC55_ATC_V04.00 Page 174 of 475 3/17/06 Confidential / Rele ased 8.7 A T^SMOND Cell Mon itoring The AT^SMOND execute command can be used to obtain status in formation of the service cell and up to six neigh- bour cells. The ad vantage over other cell monitoring co mmands is that AT^SMOND delivers more detailed infor- mation about the received signa[...]

MC55_ATC_V04.00 Page 175 of 475 3/17/06 Confidential / Rele ased Mobile network cod e 2 digits or 3 digits, e. g. 07 or 00 3 000 Not decod ed Location area cod e 4 hexadecima l digits, e.g. 4EED 0000 Not decoded Cell identifier 4 hexadecima l digits, e.g. 4EAF 0000 Not decoded Base station identity code 2 digits, e.g. 32 00 Not decoded ARFCN (Absol[...]

MC55_ATC_V04.00 Page 176 of 475 3/17/06 Confidential / Rele ased Notes • T o some extent, the cell monitoring commands AT^SMOND , AT^MONI , AT^MONP and AT^SMONC cover the same parameters. The receiving level, for example, c an be queried with all th ree commands. Y et the resulting values may be slightly dif ferent, even though obt ained ov er a [...]

MC55_ATC_V04.00 Page 177 of 475 3/17/06 Confidential / Rele ased 8.8 A T^MONI Monitor idle mode and dedicated mode The AT^MONI command supplies in formation of the serving/ded icated cell. There are two ways to re trieve the information: once on request by using th e execute command or automatically every <period> seconds by using the write c[...]

MC55_ATC_V04.00 Page 178 of 475 3/17/06 Confidential / Rele ased • T o some extent, the cell monitoring command AT^SMONC covers the same parame ters. The receiving level, for examp le, can be queried with b oth comma nds. Y et the r esulting values may be slig htly different, even though obt a ined over a time per iod of a few second s. This is q[...]

MC55_ATC_V04.00 Page 179 of 475 3/17/06 Confidential / Rele ased Columns for Dedica ted channel: 8.8.2 Service st ates Depending on the ser vice state, an additional textual out put is generated (refer also to the response examples): • 'Searching' - Th e MS is searching, but could not (yet) find a suitable cell. T h is output appears af[...]

MC55_ATC_V04.00 Page 180 of 475 3/17/06 Confidential / Rele ased 8.9 A T^MONP Monitor neighbour cells The AT^MONP supplies infor mation of up to six neighb our cells. There ar e two ways to retriev e the information : once on request by using th e exec ute command o r automatically every <period> seconds by using the write command. To stop th[...]

MC55_ATC_V04.00 Page 181 of 475 3/17/06 Confidential / Rele ased 8.9.1 A T^MONP responses Response of AT^MONP (Example): chann rs dBm MCC MNC BCC C1 C2 653 26 -84 262 07 0 22 22 660 20 -90 262 07 3 16 16 687 19 -91 262 07 1 15 15 678 14 -96 262 07 3 10 10 671 14 -96 262 07 1 10 10 643 10 -100 262 07 7 6 6 Column Description Chann ARFCN (Absolute Ra[...]

MC55_ATC_V04.00 Page 182 of 475 3/17/06 Confidential / Rele ased 8.10 A T^SMONG GPRS Monitor The AT^SMONG command supplies GPRS specific cell information. There ar e two ways to retrie ve the informa- tion: once on request by using the ex ecute command or automatically ever y <period> seconds by using the write command. To stop the periodic p[...]

MC55_ATC_V04.00 Page 183 of 475 3/17/06 Confidential / Rele ased Note • For compatibility with earlier produc t s and to support legacy applications, often an y input character will stop the periodic outp ut of the write com mand. But sinc e th is applies only in certain cases (depe nding on the set- tings of AT+IPR and AT+CMUX ), it is recommend[...]

MC55_ATC_V04.00 Page 184 of 475 3/17/06 Confidential / Rele ased 8.1 1 A T^SALS Alternate Line Service The AT^SALS command is de signed to support Alternate Line Ser vice. This allows the subscriber to use two voice numbers on the same SIM card (service requires a dua l line SIM card). The write command enables or d isables the presentation of <[...]

MC55_ATC_V04.00 Page 185 of 475 3/17/06 Confidential / Rele ased Example AT^SALS=1,1 Line 1 has been selected for ou tgoing calls. "^SALS" URC is enabled. RING You receive a notification that you hav e an incom ing call on line 2 . ^SALS: 2[...]

MC55_ATC_V04.00 Page 186 of 475 3/17/06 Confidential / Rele ased 8.12 A T^SHOM Display Homezone The AT^SHOM returns the homezone state. T he result is valid only, if network registratio n state <stat> is 1 (reg- istered) (see AT+CREG ). The feature is available only for supp orted network oper ator s (Viag, One2One, Oran ge and LCI) and requi[...]

MC55_ATC_V04.00 Page 187 of 475 3/17/06 Confidential / Rele ased 8.13 A T^SPLM Read the PLMN list The AT^SPLM execute command returns the list of operato rs from the ME. Each operator code <numeric> th at has an alphanumeric equivalent <alpha> in the ME memory is re turned. Th e list is sorted by oper ator codes. See also GSM 07.07: AT+[...]

MC55_ATC_V04.00 Page 188 of 475 3/17/06 Confidential / Rele ased 8.14 A T+CPOL Preferred Operator List The AT+CPOL read command return s the list of the preferred o perators. The AT+CPOL write command allows to edit the list of the preferred operator s. If <index> is given but <opera tor> is left out, the entry is deleted. An operator c[...]

MC55_ATC_V04.00 Page 189 of 475 3/17/06 Confidential / Rele ased 8.15 A T^SPLR Read entry from the preferred operators list The AT^SPLR write command returns used entries fro m the SIM list of preferred operators with <indexa> between <index1> and <index2> . If <index2> is not given, only entry at <index1 > is returned[...]

MC55_ATC_V04.00 Page 190 of 475 3/17/06 Confidential / Rele ased 8.16 A T^SPL W Write an entry to the preferred operators list The AT^SPLW write command writes an entry to the SIM lis t of preferred operators at location number <index> . If <index> is given but <oper> is le ft out, the entry is de leted. An opera tor can be only o[...]

MC55_ATC_V04.00 Page 191 of 475 3/17/06 Confidential / Rele ased 9. Supplement ary Service Commands The AT Commands described in this chap ter are related to the Supplementary Services offered by the GSM net- work. 9.1 A T+CACM Accumulated call me ter (ACM) reset or query Syntax Command Description The read command retu rns the current ACM value. T[...]

MC55_ATC_V04.00 Page 192 of 475 3/17/06 Confidential / Rele ased 9.2 A T^SACM Advice of charge and query of ACM and ACMmax Syntax Unsolicited Result Code +CCCM: <ccm> When activate d, an unso licited result co de is sent w hen the CCM value changes, but not more often than e very 10 second s. Command Description The execut e command ca n be u[...]

MC55_ATC_V04.00 Page 193 of 475 3/17/06 Confidential / Rele ased Three bytes of the current CCM value in h exadecimal form at (e.g. "00001E" indicates de cimal value 30); bytes are coded in the same w ay as ACMmax value in the SIM 000000 -FFFFFF Notes • When you power down or r eset the ME with AT+CFUN =1,1 the URC presentation mode wil[...]

MC55_ATC_V04.00 Page 194 of 475 3/17/06 Confidential / Rele ased 9.3 A T+CAMM Accumulated call meter maximu m (ACMmax) set or query Syntax Command Description The read command retu rns the current ACMmax value. The write com mand sets the Advice of Char ge related to the accumulated call meter maximum value in SIM file EF (ACMmax). ACMmax contains [...]

MC55_ATC_V04.00 Page 195 of 475 3/17/06 Confidential / Rele ased 9.4 A T+CAOC Advice of Charge information Syntax Command Description Execute command returns the curren t call meter value. The write command sets the Advice of Char g e supplementary service function mode. Parameter Description 0 query CCM value Three bytes of the current CCM value i[...]

MC55_ATC_V04.00 Page 196 of 475 3/17/06 Confidential / Rele ased 9.5 A T+CCUG Closed User Group Syntax Command Description The Test command returns the suppo rted parameters. The Read command re turns if the Explicit CUG i nvocation is activated (in para meter <n> ), which CUG <index> is chosen, and if Preferential Grou p or Outgoing Ac[...]

MC55_ATC_V04.00 Page 197 of 475 3/17/06 Confidential / Rele ased state of the call 0 (D) no information 1 suppress outg oing access 2 suppress prefer ential CUG 3 Suppress preferential CUG a nd Outgoing Access. Notes • The active settings for omitt ed para meters are retained without changes. • Explicit CUG invocation me ans that at each call s[...]

MC55_ATC_V04.00 Page 198 of 475 3/17/06 Confidential / Rele ased 9.6 A T+CCFC Call forwarding numb er and conditions control AT+CCFC controls the call forwardi ng supplementary service. Registration, erasure, acti vation, deactivation and status query are supported. Syntax Parameter Description Reason for call forwarding 0 unconditional 1 mobile bu[...]

MC55_ATC_V04.00 Page 199 of 475 3/17/06 Confidential / Rele ased String type phone number of forwarding address in for mat specified by <type> . If you select <mode> = 3, the phone <number> will be registered in the network. This allows y ou to disable / enable CF to the same destination without the need to enter the phone number [...]

MC55_ATC_V04.00 Page 200 of 475 3/17/06 Confidential / Rele ased However , when you attempt to set a ca ll forwarding option which is not p r ovisioned or not yet subscribe d to, the setting will not take ef fect regardl ess of the response re turned. The responses in these cases vary with the network (for example "OK", "Operatio n n[...]

MC55_ATC_V04.00 Page 201 of 475 3/17/06 Confidential / Rele ased • To query t he status o f CFU for all classes: • <reason> 4 or 5 cannot be used to query the status of a ll call forwarding re asons (see also notes above): at+ccfc=0,2,,,255 +CCFC: 0,1 +CCFC: 0,2 +CCFC: 0,4 +CCFC: 0,8 +CCFC: 0,16 +CCFC: 0,32 +CCFC: 0,64 +CCFC: 0,128 OK at+[...]

MC55_ATC_V04.00 Page 202 of 475 3/17/06 Confidential / Rele ased 9.7 A T+CCW A Call W aiting The AT+CCWA write command controls the "Call Waiting" supplementary service ac cording to GSM 02. 83. Acti- vation, deactivation an d status query are suppor ted. The read command returns the cu rrent value of <n> . Syntax Unsolicited Result[...]

MC55_ATC_V04.00 Page 203 of 475 3/17/06 Confidential / Rele ased Parameter Description Switch URCs " +CCWA " and " ^SCWA " for call wa iting on/off 0 Disable display of URCs " +CCWA " and " ^SCWA " 1 Enable display of URCs " +CCWA " and " ^SCWA " Network operation to be perform ed fo r Sup[...]

MC55_ATC_V04.00 Page 204 of 475 3/17/06 Confidential / Rele ased 128 number restrict ed 129 Otherwise 0 CLI valid 1 CLI has been withheld 2 CLI is not available Notes • If the active call is a CS D call, and a waiting call is received, then the ME produces a BREAK while still in online mode, and disp lays - the +CCW A URC (as above) when the ME g[...]

MC55_ATC_V04.00 Page 205 of 475 3/17/06 Confidential / Rele ased Examples EXAMPLE 1 Parameter <n> EXAMPLE 2 Parameter <mode> EXAMPLE 3 Parameter <class> at+ccwa=1 To enable the presentatio n of the URC OK at+ccwa=,1 To activate the supplementary service in the network for voice, da ta, and fax calls (defau lt classes). Note that p[...]

MC55_ATC_V04.00 Page 206 of 475 3/17/06 Confidential / Rele ased 9.8 A T+CHLD Call Hold and Multip arty Syntax Command Description TA controls the Suppleme ntary Services Call Hold and Multiparty. Calls can be put on hold, recove red, releas ed, and added to a conver sation. Like for all Supplementary Services, the availability and detailed functio[...]

MC55_ATC_V04.00 Page 207 of 475 3/17/06 Confidential / Rele ased Notes •T h e AT +CHLD command offer s a broad range of options accord ing to the GSM specificat ion s. However , if you attempt to invoke an option which is not provisioned by the ne twork, or not subscribed to , invocation of this option will fail. The responses in thes e cases may[...]

MC55_ATC_V04.00 Page 208 of 475 3/17/06 Confidential / Rele ased 9.9 A T+CLIP Calling Line Id entification Present ation This command refers to the GSM su pplementary service CLIP (Calling Line Identifica tion Presentation) that enables a called subscriber to get the calling line identity (CLI) of the calling party wh en receiving a mobile ter- min[...]

MC55_ATC_V04.00 Page 209 of 475 3/17/06 Confidential / Rele ased 0 CLIP not provisioned 1 CLIP provisioned 2 Unknown String type phone number of callin g address in form at specified by <type> . Type of address o ctet in integer forma t; 145 when dialing str ing includes intern ational access code character "+", otherwise 129. Strin[...]

MC55_ATC_V04.00 Page 210 of 475 3/17/06 Confidential / Rele ased 9.10 A T+CLIR C alling line id entification restriction The AT+CLIR command refers to the GSM supplementary servic e CLIR (Calling Line Identi fication R estriction). Syntax Parameter Description Parameter shows the settings for outgoing ca lls: [0] (P) Presentation indica tor is used[...]

MC55_ATC_V04.00 Page 211 of 475 3/17/06 Confidential / Rele ased 9.1 1 A T+COLP Connected Line Identification Present ation This command refers to the GSM supplementary service CO LP (Connected Line Identificatio n Presentation) that enables a calling subscriber to get the connected line identity (COL) of the called part y after setting up a mobile[...]

MC55_ATC_V04.00 Page 212 of 475 3/17/06 Confidential / Rele ased Type of address octet in integer format; 145 when dialling string includes international access code character "+", otherwise 129. <type> (num)[...]

MC55_ATC_V04.00 Page 213 of 475 3/17/06 Confidential / Rele ased 9.12 A T+CPUC Price per un it and currency t able Syntax Command Description Read command returns the curr ent parameters of PUC. Write command sets th e parameters of Advice of Charge related price per unit and currency table. SIM PIN2 is usually requ ired to set th e parameter s. Pa[...]

MC55_ATC_V04.00 Page 214 of 475 3/17/06 Confidential / Rele ased Example To change currency an d/or price per unit you have two ways: You can enter PIN2 along with the AT+CPUC command : Alternatively, you can first use the AT+CPIN2 command to enter PIN2. When you execute the AT+CPUC com- mand, subsequen tly, take into account that PIN2 authenticati[...]

MC55_ATC_V04.00 Page 215 of 475 3/17/06 Confidential / Rele ased 9.13 A T+CSSN S upplement ary service notifications Syntax Unsolicited Result Codes URC 1 +CSSI: <code 1> When <n> =1 and a supplementary service notif ication is received after a mob ile originated ca ll setup, inter- mediate resu lt code " +CSSI : <code 1> &qu[...]

MC55_ATC_V04.00 Page 216 of 475 3/17/06 Confidential / Rele ased 0 unconditional call forwarding is active 1 some of the conditional call forwardings are ac tive 2 call has been forwar ded 3 Waiting call is pending 0 The incoming call is a forwarded call. 5 Held call wa s terminate d by other party 10 additional incoming call forwarded Note • URC[...]

MC55_ATC_V04.00 Page 217 of 475 3/17/06 Confidential / Rele ased 9.14 A T+CUSD Supplementary service notifications AT+CUSD allows contro l of the Unstructured Su pplementary Service Data (U SSD) according to GSM 02.90. Both network and mobile initia ted operations are supported. The in teraction of this command with other commands based on other GS[...]

MC55_ATC_V04.00 Page 218 of 475 3/17/06 Confidential / Rele ased String type USSD-string . If <dcs> indicates that GSM 03.38 default alphabet is used TA converts GSM alphabe t into current TE cha racter set according to rules of GSM 07.05 Annex A . Otherwise in case of invalid or omitted <dcs> conversion of <str_urc> is not possib[...]

MC55_ATC_V04.00 Page 219 of 475 3/17/06 Confidential / Rele ased 10. Internet Service Commands MC55 has an embedded TCP/IP stack that is driven by AT comman ds and enables the host application to easily access the Internet. The advantage of this solu tion is that it e liminates the need for the application manufa cturer to implement own TCP/IP and [...]

MC55_ATC_V04.00 Page 220 of 475 3/17/06 Confidential / Rele ased need to do so several times until the service confirms that data can be sent or received . • The first parameter of the AT^SISR or AT^SISW commands is always the <srvProfileId> , the second parameter is the number of bytes which th e host either wants to send to or is able to [...]

MC55_ATC_V04.00 Page 221 of 475 3/17/06 Confidential / Rele ased Address not ation Server addresses must be provided as IP addr esses in standard dot-format (e.g . "192.168.1.2") or as server address names resolvable by a DNS server (e.g . "smtp.myserver.de" or "pop3 .myserver.de"). Timeouts Timeouts are not part of th[...]

MC55_ATC_V04.00 Page 222 of 475 3/17/06 Confidential / Rele ased 10.1 A T^SICS Internet Co nnection Setup Profile AT^SICS serves to crea te and edit Internet connection pr ofiles. A connection profile can be assigned to one or more service prof iles defined with AT^SISS , an d thus, determines which type of conn ection is to be established when ope[...]

MC55_ATC_V04.00 Page 223 of 475 3/17/06 Confidential / Rele ased Parameter Description 0...5 Internet connection profile identifier. The <conProfileId> identifies all para meters of a connec tion profile, and, when a service profile is created with AT^SISS the <conProfileId> needs to be set as "conId" value of the AT^SISS para[...]

MC55_ATC_V04.00 Page 224 of 475 3/17/06 Confidential / Rele ased "dns2" Seco ndary DNS ser ver address ( IP address in dotted-four -byte form at). If "dns1" = "0.0.0.0" this setting will be ignored. Otherwise this value can be used to manually configure an alternate server for the DNS1. If "dns1" is not equal[...]

MC55_ATC_V04.00 Page 225 of 475 3/17/06 Confidential / Rele ased 10.1.2 Example: GPRS connection profile ^SICS: 1, "conType", "CSD" The new CSD profile just crea ted is indicated with all related parameters se t t o their defau lt. ^SICS: 1, "alphabet", "0" Character set determined with AT+CSCS applies when s[...]

MC55_ATC_V04.00 Page 226 of 475 3/17/06 Confidential / Rele ased 10.2 A T^SICI Internet Connection Info rmation The AT^SICI read command requests the current status of th e Internet connectio n profiles currently defined with AT^SICS . The AT^SICI write command displays the status of the specif ied Internet conne ction profile. If the connection pr[...]

MC55_ATC_V04.00 Page 227 of 475 3/17/06 Confidential / Rele ased Number of services using this Internet connection pr ofile. 0...9 Local IP address of the Internet connection prof ile (empty if no address is associated yet). Note • Before opening a service profile based on a co nnection profile recen tly used, check with AT^SICI that the previous[...]

MC55_ATC_V04.00 Page 228 of 475 3/17/06 Confidential / Rele ased 10.3 A T^SISS Internet Service Setup Profile AT^SISS serves to set up th e necessary parameters in the In ternet service profiles. Any service profile can the n be used to cont rol a data link in conjunction with AT^SISI , AT^SISO , AT^SISC , AT^SISR , AT^SISW and AT^SISE . The AT^SIS[...]

MC55_ATC_V04.00 Page 229 of 475 3/17/06 Confidential / Rele ased "hcUserAgent" optional "hcMethod" mandatory "hcProp" optional "hcRedir" optional "hcAuth" optional "tcpMR" optional "tcpOT" optional SMTP service "srvTy pe" mandatory "conId" mandatory "alph[...]

MC55_ATC_V04.00 Page 230 of 475 3/17/06 Confidential / Rele ased Syntax Parameter Description Internet service profile identifier. The <srvProfileId> is used to reference all parameters rela ted to the same service pr ofile. Furthermore, when using th e AT commands AT^SISO , AT^SISR , AT^SISW and AT^SISC the <srvProfileId> is needed to [...]

MC55_ATC_V04.00 Page 231 of 475 3/17/06 Confidential / Rele ased 4. SMTP User name to be used for SMTP authentication (string). Length: 4 ... 64. If SMTP au thentication is disabled, i.e. "smAut h" flag no t set, user name parameter will be ignored. 5. POP3 User name identifying a mailbox, i.e. mailbox name (string) . Length: 1 ... 64. pa[...]

MC55_ATC_V04.00 Page 232 of 475 3/17/06 Confidential / Rele ased Parameter "port" (optional): 0: Port number will be assi gned from serv ice (default). 1 ... 2 16 -1: defines the local port number for the UDP client. 2. FTP - FTP client URL ( get) "ftp://'user':'password'@'host':'tcpP ort'/&apo[...]

MC55_ATC_V04.00 Page 233 of 475 3/17/06 Confidential / Rele ased the serial interface, the HTTP client will go from service state "Up" to service state "Closing" (see parameters <srvState> and <srvState> for detail). Finally, the URC " ^SISW : x, 2" indicates that all data ha ve been transferred and the ser[...]

MC55_ATC_V04.00 Page 234 of 475 3/17/06 Confidential / Rele ased values of "user" and "passwd" parameter s. If MC55 and SMTP server are not able to negotiate an authentication me chanism suppor ted by both parties, the MC55 continues action without authentication. MC55 supports SMTP authentication. pCmd POP3 user command to be e[...]

MC55_ATC_V04.00 Page 235 of 475 3/17/06 Confidential / Rele ased Supported Inte rnet service type values in <srvParmValue> for <srvParmTag> value "srvType". Before changing the "srvType" o f an exis ting service profile be sure th at the profile is closed. To verify the con- nection state of the service profile ente [...]

MC55_ATC_V04.00 Page 236 of 475 3/17/06 Confidential / Rele ased 3 Retrieve command. If <srvParmTag> value "pNumber" is set to a n on-zero value this com mand retrieve s the related me ssage from the POP3 se rver's maildrop list. If no such message ex ists on the server the POP3 service issu es an erro r response to the user. I[...]

MC55_ATC_V04.00 Page 237 of 475 3/17/06 Confidential / Rele ased 10.4 A T^SISI Internet Service Information AT^SISI serves to monitor the status of In ternet ser vice profiles define d with AT^SISS . The AT^SISI read command re quests the current sta tus of all defined Internet service profiles. The AT^SISI write command requests th e status of the[...]

MC55_ATC_V04.00 Page 238 of 475 3/17/06 Confidential / Rele ased Parameter Description Internet service profile identifier as defined by AT^SISS ( <srvProfileId> ). 0...9 Internet service state (for details see AT^SISO parameter <srvState> ). 2 Allocated 3 Connecting 4U p 5 Closing 6D o w n Number of bytes received via AT^SISR since las[...]

MC55_ATC_V04.00 Page 239 of 475 3/17/06 Confidential / Rele ased 10.5 A T^SISO Internet Service Open The AT^SISO write com mand starts the Internet session co nfigured by the service profile. All fu rther steps needed to control th e session depend on whether you are using URC mode or polling mode. The AT^SISO read command returns the current statu[...]

MC55_ATC_V04.00 Page 240 of 475 3/17/06 Confidential / Rele ased Syntax Parameter Description <srvProfileId> 0 ... 9 specified with AT^SISS . Internet service state. Please note, that the state of an In ternet service may influenc e the state of the serial DCD line. For details see description of value 2 for parameter <value> of command[...]

MC55_ATC_V04.00 Page 241 of 475 3/17/06 Confidential / Rele ased 4U p The service performs its pu rpose. The dat a transfer pr ocess is the major func- tion at this state. FTP: Data channel is up. SMTP: The SMTP service will not enter <srvState> =4 until the ho st has writ- ten the first data pack et with AT^SISW . 5 Closing Internet Service [...]

MC55_ATC_V04.00 Page 242 of 475 3/17/06 Confidential / Rele ased 10.5.1 Example: Accepting / Rej ecting Socket Conn ection Request from Remote Client Host 1 configured as Socket listener with IP addr ess 10.10 .0.187 at port 65534 is receiving a connection request from the remote client 10.10.0.185 (at port 1024 ). T he example assumes that conn ec[...]

MC55_ATC_V04.00 Page 243 of 475 3/17/06 Confidential / Rele ased Host 1 rejects the Socket connection request: ^SISO: 6, "" ^SISO: 7, "" ^SISO: 8, "" ^SISO: 9, "" OK at^sisc=0 Host 1 rejects the connection request, where 0 is the ID of the dynamically assigned service profile. OK at^siso? Query the current st[...]

MC55_ATC_V04.00 Page 244 of 475 3/17/06 Confidential / Rele ased 10.6 A T^SISC Internet Service Close The AT^SISC write command closes the TCP/IP connection to the remote peer which was op ened with AT^SISO . All resources are re leased, all status information parameters, e.g. <srvState> , <unackData> , <ackData> , <rxCount>[...]

MC55_ATC_V04.00 Page 245 of 475 3/17/06 Confidential / Rele ased 10.7 A T^SISR Internet Service Read Data The AT^SISR command either triggers a read operation (d ownload) or queries the number of bytes in the internal buffer. The AT^SISR write command may return the following errors: • "+CME ERROR: operation failed" if there is a proble[...]

MC55_ATC_V04.00 Page 246 of 475 3/17/06 Confidential / Rele ased -2 Indicates en d of data. Data tran sfer has been finished (all data have bee n read) and the service can be closed with AT^SISC . -1 Applies only to HTTP: Querying number o f available bytes is not supported by the HTTP service. 0 Indicates that no further is are available at the mo[...]

MC55_ATC_V04.00 Page 247 of 475 3/17/06 Confidential / Rele ased ^SISR: 0,1 Service profile 0 is configured for Socket service and UDP. The URC notifies host that data is available for reading. at^sisr=0,6 The host requests to read 6 bytes. ^SISR: 0,6,12 THIS_I The first 6 bytes of datagram A are co nfirmed and tran smitted. Anothe r 12 bytes are s[...]

MC55_ATC_V04.00 Page 248 of 475 3/17/06 Confidential / Rele ased 10.8 A T^SISW Internet Service Write Dat a The AT^SISW command triggers a write oper ation (upload) and que ries the amount of data already sent, but not acknowledged at the TCP layer. The write ope ration may be run in binary mode, or in intera ctive text mode. The AT^SISW write comm[...]

MC55_ATC_V04.00 Page 249 of 475 3/17/06 Confidential / Rele ased • If Socket service is selected with UDP protocol - <reqWriteLength> =0 can be used to send an empty UDP packet; - the maximum requestable write size specified via <r eqWriteLength> is limited to 1460 bytes. Any attempt to write more byte s will be denied and causes th e[...]

MC55_ATC_V04.00 Page 250 of 475 3/17/06 Confidential / Rele ased Number of data bytes already sent but not yet acknowledged at the TCP layer. The value is co nstantly changing unt il the entir e upload job has completed. If the value equals 0 all data sent so far is acknowledged. In binary mode , <unackData> includes the <cnfWriteLength>[...]

MC55_ATC_V04.00 Page 251 of 475 3/17/06 Confidential / Rele ased 10.9 A T^SISE Internet Service Error Report The AT^SISE write command returns the current error status of the specified Intern et service pro file. If the ser- vice profile is not defined or the value is inv alid "+CME ERROR" re sponse is returned. The error st atus is ident[...]

MC55_ATC_V04.00 Page 252 of 475 3/17/06 Confidential / Rele ased 10.10 Internet Service URC "^SIS" This section first descri bes the syntax and the pa rameters of the " ^SIS " URC. Th e second part consists of tables listing the information elements de livered within the " ^SIS " URC and the command response of AT^SISE[...]

MC55_ATC_V04.00 Page 253 of 475 3/17/06 Confidential / Rele ased Information text related to <urcCause> . See tables below for further detail. 10.10.1 Information Elements Rel ated to the Service Application The following table lists the informat iomation elem ents which may be retur ned by all supporte d services within the " ^SIS "[...]

MC55_ATC_V04.00 Page 254 of 475 3/17/06 Confidential / Rele ased 10.10.2 Information Elements Related to FTP Service 48 Remote peer has closed the connection Remote peer has closed the connection unexpectedly, and no data are available . The host shall close the service . Note that the " ^SIS " URC only indicates the <urcInfoId> , b[...]

MC55_ATC_V04.00 Page 255 of 475 3/17/06 Confidential / Rele ased 10.10.3 Information Elements Related to HTTP Service 10.10.4 Information Elements Related to POP3 Service 10.10.5 Information Elements Related to SMTP Service *) Text varies depending on scenario. <urcInfoId> <urcInfoText> Description Error URCs 200 HTTP-ERR: Not connected[...]

MC55_ATC_V04.00 Page 256 of 475 3/17/06 Confidential / Rele ased 10.1 1 Examples of how to Configure and Use Internet Service Profiles Below you can find se lective examples of how to configure and use Internet service profiles. To visualize the di f- ference between URC mode and polling mode the op eration of services (after opening with AT^SISO )[...]

MC55_ATC_V04.00 Page 257 of 475 3/17/06 Confidential / Rele ased 10.1 1.3 Configuring Socket Client for Calling a Sock et Listener on Another Host The example assum es that a connection pro f il e has been created as expl ained in Section 10.1.1 or Section 10.1.2 . Configure the client's service profile 1 for calling a Socke t listener on anot[...]

MC55_ATC_V04.00 Page 258 of 475 3/17/06 Confidential / Rele ased 10.1 1.5 Socket client sends dat a via TCP connection with URCs The example uses service profile 0 co nfigured for Socket service an d TCP. 10.1 1.6 Configuring and Using FTP Download (URC Mode) First set up a connection prof ile as explained in Section 10.1.1 or Section 10.1.2 . Ente[...]

MC55_ATC_V04.00 Page 259 of 475 3/17/06 Confidential / Rele ased 10.1 1.7 Configuring and Using FTP Upload (URC Mode) First set up a connection prof ile as explained in Section 10.1.1 or Section 10.1.2 . Enter at least all pa rameters which are man datory for th e connectio n profile. Configure the service profile 1 for FTP: Make an FTP connection:[...]

MC55_ATC_V04.00 Page 260 of 475 3/17/06 Confidential / Rele ased 10.1 1.9 Sending Email (URC M ode) This example us es the service profile de scribed in Section 10 .11.8 . at^siss=9,alphabet,"1" Choose ASCII alpha bet. OK at^siss=9,conId,"1" Select connection profile 1. OK at^siss=9,address,"192.168.1.2" Specify SMTP s[...]

MC55_ATC_V04.00 Page 261 of 475 3/17/06 Confidential / Rele ased 10.1 1.10 Sending Email (Polling Mode) This example us es the service profile de scribed in Section 10 .11.8 . ^SISW: 9, 1 The " ^SISW " URC indicates that email data can be transferred. at^sisw=9,87 The email to be sent has 87 bytes. ^SISW: 9,87,87 The write command r espon[...]

MC55_ATC_V04.00 Page 262 of 475 3/17/06 Confidential / Rele ased 10.1 1.1 1 Configuring POP3 Service Profile First set up a connection prof ile as explained in Section 10.1.1 or Section 10.1.2 . Enter at least all pa rameters which are mandatory for a GPRS pr ofile. The example uses the conn ection profile ID 1 and the service profile ID 1. The ser[...]

MC55_ATC_V04.00 Page 263 of 475 3/17/06 Confidential / Rele ased 10.1 1.13 Retrieving Email (Polling Mode) This example us es the service profile de scribed in Section 10 .11.11 . at^siso=1 Open the service that was cr eated to retrieve email number 2 from the POP3 server. OK ^SISR: 1, 1 The " ^SISR " indicates that data is available for [...]

MC55_ATC_V04.00 Page 264 of 475 3/17/06 Confidential / Rele ased 10.1 1.14 HTTP POST (Polling Mode) Return-Path: <subscriber1@testdomain.com> X-Original-To: subscriber1@testdomain.com Delivered-To: subscriber2@testdomain.com Received: from 10.10.0.132 (unknown [10.10.0.132]) by testdomain.com (Postfix) with SMTP id 379321D004 for <subscrib[...]

MC55_ATC_V04.00 Page 265 of 475 3/17/06 Confidential / Rele ased 10.1 1.15 HTTP GET (Polling Mode) at^sisi? ^SISI: 1,6,0,180,0,0 The command response indi cates that HTTP service is in state "6" (Down) and that 180 bytes have been sent. OK at^sise=1 Check error status of service profile 1. ^SISE: 1,0 The command respon se confirms that no[...]

MC55_ATC_V04.00 Page 266 of 475 3/17/06 Confidential / Rele ased 1 1. GPRS Commands This chapter descri bes AT Commands that a TE (Termi nal Equipment, e.g. an application running on a control- ling PC) may use to control the MC55 acting as GPRS Mobile Termination (MT). Please u s e chapter " Using GPRS AT commands (Examples) " as a first[...]

MC55_ATC_V04.00 Page 267 of 475 3/17/06 Confidential / Rele ased Parameter Description Indicates the state of PDP context activation. 0 deactivated [1] activated PDP Context Identifier is a numeric parameter which sp ecifies a particular PD P context defin ition. The pa ram- eter is local to the TE-M T interface a nd is used in o ther PDP cont ext [...]

MC55_ATC_V04.00 Page 268 of 475 3/17/06 Confidential / Rele ased 1 1.2 A T+CGANS Manual response to a network request for PDP con- text activation Syntax Command Description The write command requests the MT to respond to a ne twork request for GPRS PDP context activation which has been signaled to th e TE by the RING or CRING unsolicited result co[...]

MC55_ATC_V04.00 Page 269 of 475 3/17/06 Confidential / Rele ased If no <cid> is given or if there is no matching context defi nition, the MT will attempt to activate the context using the values for PDP type and addre ss provided by the network. The other pa rameters will be set to their default valu es (see AT+CGDCONT ). If activation is suc[...]

MC55_ATC_V04.00 Page 270 of 475 3/17/06 Confidential / Rele ased 1 1.3 A T+CGA TT GPRS attach or det ach Syntax Command Description The test command is used for requestin g inform ation on the supported GPRS se rvice states. The read command retu rns the current GPRS service state. The write comman d is used to attach the MT to, or detach the MT fr[...]

MC55_ATC_V04.00 Page 271 of 475 3/17/06 Confidential / Rele ased 1 1.4 A T+CGAUTO Automatic response to a network request for PDP context activation Syntax Command Description The test command retu rns the values of <n> supported by the MT as a compound value. The write command disables or en ables an automatic po sitive response (auto- answe[...]

MC55_ATC_V04.00 Page 272 of 475 3/17/06 Confidential / Rele ased • When the AT+CGAUTO =1 command is received, the MT will attempt to perform a GPRS att ach if it is not yet attached. Failure will result in ERRO R or , if enabled +CME ERROR being returned to the TE. Subsequently , the MT announces a network request for PDP context acti vation by i[...]

MC55_ATC_V04.00 Page 273 of 475 3/17/06 Confidential / Rele ased 1 1.5 A T+CGEREP GPRS event reporting The write command enables or disables sending of unsolicite d result codes, " +CGEV " from MT to TE in the case of certain events o ccurring in the GPRS MT or the network. <mode> controls the processi ng of unsolicited result codes[...]

MC55_ATC_V04.00 Page 274 of 475 3/17/06 Confidential / Rele ased URC 5 +CGEV: NW DETACH The network has forced a GPRS detach. URC 6 +CGEV: ME DETACH The mobile equipment ha s forced a GPRS detach. URC 7 +CGEV: NW CLASS <class> The network has forced a change of MS cla ss. The highest availabl e class is reported. URC 8 +CGEV: ME CLASS <cla[...]

MC55_ATC_V04.00 Page 275 of 475 3/17/06 Confidential / Rele ased 1 1.6 A T+CGDA T A Enter d at a state Syntax Command Description The test command is used for requesting information on the supported layer 2 protocol s to be used between the TE and MT. The write command causes th e MT to perform all acti ons which are necessary to establish communic[...]

MC55_ATC_V04.00 Page 276 of 475 3/17/06 Confidential / Rele ased Notes • If the MT is in dedicated mode, write command returns "+CME ERROR: operation tempor ary not allowed". • It is possible to leave th e GPRS data mode and enter the command mode by using the V .250 command +++ . By using the command AT+CGDAT A again, the data mode i[...]

MC55_ATC_V04.00 Page 277 of 475 3/17/06 Confidential / Rele ased 1 1.7 A T+ CGDCONT Define PDP Context Syntax Command Description The test command returns supp orted values as a compound value . The read command retu rns the current settings for each defined PDP contex t. The write command specifies the parameters for a PDP context identified by th[...]

MC55_ATC_V04.00 Page 278 of 475 3/17/06 Confidential / Rele ased Access Point Name The logical name that is used to select the GGSN or th e external pa cket data network. If the value is null or omitted, then the subscripti on value will be requested. Packet Data Protocol addr ess Identifies the MT in the address space applica ble to PD P (e.g. IP [...]

MC55_ATC_V04.00 Page 279 of 475 3/17/06 Confidential / Rele ased 1 1.8 A T+CGP ADDR Show PDP address Syntax Command Description The test command returns a list of defined <cid> s. The write command returns a list of PDP addresses for the specifi ed context identifiers. If no <cid> is specified, the addresses for all defined contexts are[...]

MC55_ATC_V04.00 Page 280 of 475 3/17/06 Confidential / Rele ased 1 1.9 A T+CGQMIN Quality of Service Profile (Minimum accept able) Syntax Command Description The test command returns valu es supported as a co mpound value. If the M T supports several PDP types, the parameter va lue ranges for each PDP typ e are returned on a separate line. The read[...]

MC55_ATC_V04.00 Page 281 of 475 3/17/06 Confidential / Rele ased Precedence class [0] netwo rk subscribed value 1 High Priority Service commitments sha ll be maintained ahead o f precedence classe s 2 and 3 2 Normal priority Service commitments shall be mainta ined ahead of precedence class 3 3 Low priority Service commitments shall be maintained D[...]

MC55_ATC_V04.00 Page 282 of 475 3/17/06 Confidential / Rele ased 1 Up to 1 000 (8 kbit/s). 2 Up to 2 000 (16 kbit/s). 3 Up to 4 000 (32 kbit/s). 4 Up to 8 000 (64 kbit/s). 5 Up to 16 000 (128 kbit/s). 6 Up to 32 000 (256 kbit/s). 7 Up to 64 000 (512 kbit/s). 8 Up to 128 000 (1024 kbit/s). 9 Up to 256 000 (2048 kbit/s). Mean throughput class(in octe[...]

MC55_ATC_V04.00 Page 283 of 475 3/17/06 Confidential / Rele ased Example If some of the QoS parameters are omitt ed, they w ill keep their current value (or the default valu e if not specified so far), e.g.: AT+CGDCONT=1,"IP" OK AT+CGQMIN= OK AT+CGQMIN? OK AT+CGQMIN=1,0 OK AT+CGQMIN? +CGQMIN:1,0,0,0,0,0 OK AT+CGQMIN=1,0,0,0,1 OK AT+CGQMIN[...]

MC55_ATC_V04.00 Page 284 of 475 3/17/06 Confidential / Rele ased 1 1.10 A T+CGQREQ Quality of Se rvice Profile (Requested) Syntax Command Description The test command returns valu es supported as a co mpound value. If the M T supports several PDP types, the parameter va lue ranges for each PDP typ e are returned on a separate line. The read com man[...]

MC55_ATC_V04.00 Page 285 of 475 3/17/06 Confidential / Rele ased 2 Normal priority Service commitments shall be mainta ined ahead of precedence class 3 3 Low priority Service commitments shall be maintained Delay class This parameter defines the en d-to-end transfer delay in curred in the transmiss ion of SDUs throu gh the GPRS network(s). [0] netw[...]

MC55_ATC_V04.00 Page 286 of 475 3/17/06 Confidential / Rele ased 6 Up to 32 000 (256 kbit/s) 7 Up to 64 000 (512 kbit/s) 8 Up to 128 000 (1024 kbit/s) 9 Up to 256 000 (2048 kbit/s) Mean throughput class in octets per hour [0] netwo rk subscribed value 1 100 (~0. 22 bit/s) 2 200 (~0. 44 bit/s) 3 500 (~1. 11 bit/s) 4 1 000 (~ 2.2 bit/s) 5 2 000 (~ 4.[...]

MC55_ATC_V04.00 Page 287 of 475 3/17/06 Confidential / Rele ased AT+CGQREQ? OK AT+CGQREQ=1,0 OK AT+CGQMIN? +CGQREQ:1,0,0,0,0,0 OK AT+CGQREQ=1,0,0,0,1 OK AT+CGQREQ? +CGQREQ:1,0,0,0,1,0 OK AT+CGQREQ=1,1 OK AT+CGQREQ? +CGQREQ:1,1,0,0,1,0 OK[...]

MC55_ATC_V04.00 Page 288 of 475 3/17/06 Confidential / Rele ased 1 1.1 1 A T+CGREG G PRS Netw ork Registration St atus AT+CGREG write command en ables presentati on of URC " +CGREG : <stat> " w hen <n> =1 and ME's GPRS net- work registration status changes. AT+CGREG read command queries the curren t URC presentation statu[...]

MC55_ATC_V04.00 Page 289 of 475 3/17/06 Confidential / Rele ased 2 Not registered, but ME is cur rently tryi ng to attach or searching an operator to register to. The ME is in GMM st ate GMM-DEREGISTER ED or GMM-R EGIS- TERED-INITIATED. The GPRS service is enabled, but an allowable PLMN is currently not available. The ME will star t a GPRS attach a[...]

1 1.12 A T+CGSMS Select servi ce for MO SMS messages Syntax Test Command MC55_ATC_V04.00 Page 290 of 475 3/17/06 Confidential / Rele ased Command Description The test command is used for r equesting information on which services and service preferen ces can be set by using the AT+CGSMS write command The read command retu rns the currently selected [...]

MC55_ATC_V04.00 Page 291 of 475 3/17/06 Confidential / Rele ased 1 1.13 A T^SGAUTH Set type of authen tication for PPP connection Syntax Parameter Description Indicates types of supported authe ntication. 0n o n e 1 PAP 2 CHAP 3 (&F)(P) PAP and CHAP Test Command AT^SGAUTH=? Response(s) ^SGAUTH: (list of supported <auth> s) OK ERROR +CME E[...]

MC55_ATC_V04.00 Page 292 of 475 3/17/06 Confidential / Rele ased 1 1.14 A T^SGCONF Configuration of GPRS rel ated Parameters Syntax Parameter Description The maximum number of octets in an info rmation field of Unnumbered (U) frames. 0 No negotiation with network (500 will be used). 140...1520 (P) Lower values dimin ish performance. GPRS Multislot [...]

MC55_ATC_V04.00 Page 293 of 475 3/17/06 Confidential / Rele ased 1 1.15 A T A Manual response to a netw ork request for PDP context acti- vation The V.250 ATA command may be used to accept a netwo rk re quest for a PDP context activation announced by the unsolicited result codes " RING " or " +CRING : GPRS". The MT responds with[...]

MC55_ATC_V04.00 Page 294 of 475 3/17/06 Confidential / Rele ased 1 1.16 A TD*99# Request GPRS service This command causes the MT to perfor m whatever acti ons are necessary to establish a communicatio n between the TE and the extern al PDN. The V.250 'D' (Dial) command ca uses the MT to enter th e V.250 onli ne data state and, with the TE[...]

MC55_ATC_V04.00 Page 295 of 475 3/17/06 Confidential / Rele ased 1 1.17 A TD*98# Request GPRS IP service This command causes the MT to perfor m whatever acti ons are necessary to establish a communicatio n between the TE and the extern al PDN. The V.250 'D' (Dial) command ca uses the MT to enter th e V.250 onli ne data state and, with the[...]

MC55_ATC_V04.00 Page 296 of 475 3/17/06 Confidential / Rele ased 1 1.18 A TH Manual rejection of a n etwork request for PDP context acti- vation The V.250 ATH command may be use d to deactivate all PDP co ntexts which are active or online on the same interface. This command sh ould not be used to deactiva te PDP contexts dur ing the implicit PD P c[...]

MC55_ATC_V04.00 Page 297 of 475 3/17/06 Confidential / Rele ased 1 1.19 A TS0 Automatic response to a network request for PDP context activation The V.250 ATS0 = <n> (Automatic answer) com mand may be used to turn off (n=0 ) and on (n>0) th e automatic response to a network request for a PDP context activation. See also "3GPP TS 27.00[...]

MC55_ATC_V04.00 Page 298 of 475 3/17/06 Confidential / Rele ased 1 1.20 Using GPRS A T commands (Examples) Examples EXAMPLE 1 Defining and using a Con text Definition ID (CID): Every time a CID is used as a parameter for a GPRS command the CID has to be defined before by using the AT+CGDCONT command. T o get the parameter of a CID use the AT+CGDCON[...]

MC55_ATC_V04.00 Page 299 of 475 3/17/06 Confidential / Rele ased EXAMPLE 2 Quality of Service (QoS) is a spec ial parameter of a CID which consis ts of several p arameters itself. The QoS consists of - the precedence class - the delay class - the reliability class - the peak throughput class - the mean throughpu t class and is divided in "requ[...]

MC55_ATC_V04.00 Page 300 of 475 3/17/06 Confidential / Rele ased 1 1.21 Using the GPRS dial command A TD Example In addition to the GPRS AT commands you can use th e "D" command to dial into to the GPRS network. There are two GPRS Service Codes for the ATD comman d: Values 98 and 99. Examples: ATD*99# CONNECT Establish a connection by ser[...]

MC55_ATC_V04.00 Page 301 of 475 3/17/06 Confidential / Rele ased 12. F AX Commands This chapter descr ibes the AT command s used for fax commun ications. If the ME is acting as a fax mode m for a PC based fax app lication (e.g. "W inFax") it is necessary to select the proper Service Class (Fax Class) prov ided by the ME. The ME r eports i[...]

MC55_ATC_V04.00 Page 302 of 475 3/17/06 Confidential / Rele ased Bit Rate 0 2400 bps, V.27t er 1 4800 bps, V.27t er 2 7200 bps, V.29 [3] 9600 bps, V.29 Data Compression Format [0] 1-D modified Huffman 1 2-D modified read 2 2-D uncompr essed mode Error Correction Mo de [0] Disable ECM 1 Enable ECM, 64 bytes/frame 2 Enable ECM, 25 6 bytes/frame Page [...]

MC55_ATC_V04.00 Page 303 of 475 3/17/06 Confidential / Rele ased Page Width [0] 1728 pixels in 21 5mm 1 2048 pixels in 255 mm 2 2432 pixels in 303 mm 3 1216 pixels in 151 mm 4 864 pixels in 107 mm Note • The host application is not r equired to support all values of the parameters liste d above. Dependin g on the application design it may be suff[...]

MC55_ATC_V04.00 Page 304 of 475 3/17/06 Confidential / Rele ased 12.2 A T+FBADLIN Bad Line Threshold This command defines the Co py-Quality-OK-threshold. If <badlin> consecutive lines ha ve p ixel count erro rs in normal resolution (98 dpi) mode, then the cop y quality is unacceptable. If <badlin> * 2 consec utive lines have pixel count[...]

MC55_ATC_V04.00 Page 305 of 475 3/17/06 Confidential / Rele ased 12.3 A T+FBADMUL Error Threshold Multiplier This command defines the "Copy-Qualit y-OK" multiplier. The nu mber of lines received with a bad pixel count is multiplied by this number. If th e result exceeds the total number of lin es on the page the error rate is considered t[...]

MC55_ATC_V04.00 Page 306 of 475 3/17/06 Confidential / Rele ased 12.4 A T+FBOR Query dat a Bit Order This command queries the bit order for th e receive mode. The mode is set by the ME depending on the selected Service Class, see " AT+FCLASS Fax: Select, read or test service class". Syntax Parameter Description bit order mod es 0 Direct b[...]

MC55_ATC_V04.00 Page 307 of 475 3/17/06 Confidential / Rele ased 12.5 A T+FCIG Query or set the Local Polling ID Syntax Parameter Description Local Polling ID string, max. length and possible content as reported by test comma nd. Default value is empty string (""). Notes • Used for Fax Class 2 only . • See also AT+FLID Query or set th[...]

MC55_ATC_V04.00 Page 308 of 475 3/17/06 Confidential / Rele ased 12.6 A T+FCLASS Fax: Select, read or test service class AT+FCLASS sets the ME to a particular mode of o peration (dat a, fax). This allows the ME to process information in a manner suitable for that type of information . Syntax Parameter Description 0 (&F) Data (e.g. EIA/TIA-602 o[...]

MC55_ATC_V04.00 Page 309 of 475 3/17/06 Confidential / Rele ased 12.7 A T+FCQ Copy Quality Checking This command controls Copy Qualit y checking when receiving a fax . Syntax Parameter Description 0 No copy quality checking. The ME will generate Copy Quality OK (MCF) responses to complete pages. [1] ME can check 1-D phase data. The c onnected appli[...]

MC55_ATC_V04.00 Page 310 of 475 3/17/06 Confidential / Rele ased 12.8 A T+FCR Capability to Receive Syntax Parameter Description [0] ME will not receive mess a ge data. This value can be us ed when the application has insufficient storage. The ME can se nd and can be polled for a file. 1 ME can receive message data. Note • Used for Fax Class 2 on[...]

MC55_ATC_V04.00 Page 311 of 475 3/17/06 Confidential / Rele ased 12.9 A T+FDCC Query or set capabilities This command allows the c onnected application to sense and constrain the capabilit ies of the facsimile DCE (=ME), from the choices defi ned in CCITT T.30 Table 2. Syntax Notes • For furthe r information see AT+FDIS . • Used for Fax Class 2[...]

MC55_ATC_V04.00 Page 312 of 475 3/17/06 Confidential / Rele ased 12.10 A T+ FDFFC Data Compr ession Format Conversion This command determines th e ME response to a mismat ch betwee n the data format negotiated for the fax ses- sion, reported by the <df> subparameter, an d the Phase C data desir e d by the controlling application, indicated by[...]

MC55_ATC_V04.00 Page 313 of 475 3/17/06 Confidential / Rele ased 12.1 1 A T+FDIS Query or set session parameters This command allows the controlling app lication to sense and constrain the ca pabilities used for the current ses- sion. It uses AT+FDIS to generate DIS or DTC messages directly, and uses AT+FDIS and r eceived DIS mes- sages to generat [...]

MC55_ATC_V04.00 Page 314 of 475 3/17/06 Confidential / Rele ased 12.12 A T+FDR Begin or contin ue phase C Dat a Reception The command initiates transition to Phase C data reception. Syntax Note • Used for Fax Class 2 only . Exec Command AT+FDR Response(s) CONNECT or OK If error related to ME functionality ERROR Reference(s) PIN ASC0 ASC 1 MUX1 MU[...]

MC55_ATC_V04.00 Page 315 of 475 3/17/06 Confidential / Rele ased 12.13 A T+ FDT Dat a T ransmission This command requests the ME to transmit a Phase C p a ge. When the ME is ready to accept Ph ase C data, it issues the negotiation resp onses and th e CONNECT result code to the application. In Phase B, the AT+FDT command releases the M E to proceed [...]

MC55_ATC_V04.00 Page 316 of 475 3/17/06 Confidential / Rele ased 12.14 A T+FET End a p age or document This command indicates that the curr ent page or partia l page is complete. An E RROR response code results if this command is issued while the mode is on-ho ok. Syntax Parameter Description Post Page Message Codes 1 Another document next 2 No mor[...]

MC55_ATC_V04.00 Page 317 of 475 3/17/06 Confidential / Rele ased 12.15 A T+FK Kill operation, orderly F AX abort T h i sc o m m a n dc a u s e st h eT At ot e r m i n a t et h es e s s i o ni na no r d e r l ym a n n e r . Syntax Note • Used for Fax Class 2 only Exec Command AT+FK Response(s) OK PIN ASC0 ASC 1 MUX1 MUX2 MUX3 Charge  Last ! % ![...]

MC55_ATC_V04.00 Page 318 of 475 3/17/06 Confidential / Rele ased 12.16 A T+FLID Query or set the Local Id setting capabilities Syntax Parameter Description Local ID string Max. length a nd possible content as reported by test command. Default value is empty string (""). Notes • Used for Fax Class 2 only . • See also AT+FCIG . Test Com[...]

MC55_ATC_V04.00 Page 319 of 475 3/17/06 Confidential / Rele ased 12.17 A T+FMDL Identify Product Model This command sends the model identificatio n to the TA. Syntax Note • Used for Fax Class 2 only . Read Command AT+FMDL? Response(s) Gipsy Soft Protocolstack OK Reference(s) PIN ASC0 ASC 1 MUX1 MUX2 MUX3 Charge  Last SIEMENS ! % ! % ! ! ! ! ![...]

MC55_ATC_V04.00 Page 320 of 475 3/17/06 Confidential / Rele ased 12.18 A T+FMFR Request Manufacturer Identification This command sends the manufactu rer identification to the TA. Syntax Note • Used for Fax Class 2 only Read Command AT+FMFR? Response(s) SIEMENS OK Reference(s) PIN ASC0 ASC 1 MUX1 MUX2 MUX3 Charge  Last SIEMENS ! % ! % ! ! ! ! ![...]

MC55_ATC_V04.00 Page 321 of 475 3/17/06 Confidential / Rele ased 12.19 A T+ FOPT Set bit Order independently Model specific command to set bi t order independently of the understanding which is "mirro red" and which is direct. Syntax Parameter Description 0 Non-standard 1 Standard Note • Used for Fax Class 2 only . Write Command AT+FOPT[...]

MC55_ATC_V04.00 Page 322 of 475 3/17/06 Confidential / Rele ased 12.20 A T+FPHCTO DTE Phase C Response Timeout The timeout va lue <tout> determines how long the DCE will wait for a command after reachi ng the end of data when transmitting in Phase C. When timeou t is reached , the DCE assumes that ther e are no more pages or do c- uments to s[...]

MC55_ATC_V04.00 Page 323 of 475 3/17/06 Confidential / Rele ased 12.21 A T+ FREV Identify Product Revision This comand sends the revision identification to the TA. Syntax Note • Used for Fax Class 2 only . Read Command AT+FREV? Response(s) V2.550 OK Reference(s) PIN ASC0 ASC 1 MUX1 MUX2 MUX3 Charge  Last SIEMENS ! % ! % ! ! ! ! ![...]

MC55_ATC_V04.00 Page 324 of 475 3/17/06 Confidential / Rele ased 12.22 A T+ FRH Receive Data Using HDLC Framing The AT+FRH command enables the TA to receive frames usin g the HDLC protocol an d the modulation schemes defined in Section 12.1 , FAX para meters . An ERROR re sponse code results if the command is issued wh ile the modem is on-hook. The[...]

MC55_ATC_V04.00 Page 325 of 475 3/17/06 Confidential / Rele ased 12.23 A T+FRM Receive Dat a The AT+F RM command causes the T A to enter the re ceive mode , using one of the modulation schemes defined in Section 12.1 , FAX parameters . An ERROR response code re sults if the write command is issued while th e modem is on-hook. The t est com- mand ca[...]

MC55_ATC_V04.00 Page 326 of 475 3/17/06 Confidential / Rele ased 12.24 A T+ FRS Receive Silence <time> =n causes th e TA to re port an OK result code to th e TE after the specified peri od of silence was detected on the line. The command is aborted if any charac ter is received by the TE. The modem discards the aborting character an d issues [...]

MC55_ATC_V04.00 Page 327 of 475 3/17/06 Confidential / Rele ased 12.25 A T+FTH T ransmit Data Using HDLC Framing The AT+FTH command causes the TA to tra nsmit data using the HDLC protocol and th e modulation schemes defined in Section 12.1 , FAX para meters . An ERROR re sponse code results if the command is issued wh ile the modem is on-hook. The [...]

MC55_ATC_V04.00 Page 328 of 475 3/17/06 Confidential / Rele ased 12.26 A T+ FTM T ransmit Data The AT+FTM command causes the TA to transmit da ta, using one of th e modulation schemes defin ed in Section 12.1 , FAX parameters . An ERROR response code re sults if the write command is issued while th e modem is on-hook. The t est com- mand can be use[...]

MC55_ATC_V04.00 Page 329 of 475 3/17/06 Confidential / Rele ased 12.27 A T+FTS Stop T ransmission and W ait This command causes the TA to te rminate a transmission and wait for <time> 10 millisecond intervals before sending the OK re sult code to the TE . Syntax Parameter Description no. of 10 millisecond intervals 0...85 Note • Used for Fa[...]

MC55_ATC_V04.00 Page 330 of 475 3/17/06 Confidential / Rele ased 12.28 A T+FVRFC V ertical Resolution Format Conversion This command deter mines the DCE respon se to a mism atch between the ver tical resolution negotiated fo r the facsimile session and the Phase C data desired by the DTE. Syntax Parameter Description 0 Disable mismatch checkin g . [...]

MC55_ATC_V04.00 Page 331 of 475 3/17/06 Confidential / Rele ased 13. Short Message Service (SMS) Commands The AT Commands describ ed in this chapter allow an exte rnal application to use t he Short Message Service with the MC55. 13.1 SMS p a rameters Parameter Description Format is same for <pdu> in case of SMS, but without GSM 24.11 SC addre[...]

MC55_ATC_V04.00 Page 332 of 475 3/17/06 Confidential / Rele ased Discharge Time GSM 03.40 TP-Discharge-Time in time-string for mat: " yy/MM/dd,hh:mm:ss+zz" , where characters indicate year (two last digits ), month, da y, hour, minute s, seconds and time zone. For example, 6 th of May 1994, 22:10:00 GMT+2 hours equals "94/ 0 5/06,22:[...]

MC55_ATC_V04.00 Page 333 of 475 3/17/06 Confidential / Rele ased Message Reference GSM 03.40 TP -Message -Reference in integer for mat Originating Address GSM 03.40 TP-Originating-Address Address-Value field in string format; BCD numbers (or GSM default alp ha- bet characters) are converted into ch aracters; type of add ress given by <tooa> P[...]

MC55_ATC_V04.00 Page 334 of 475 3/17/06 Confidential / Rele ased Status GSM 03.40 TP-Status in integer format 0...255 Message status 3GPP 27.005 Interface of SMS and CB . Indi cates the status of message in memory. Type of Destination Address GSM 04.11 TP-Destination-Address Typ e-of-Address oc tet in integer format (w hen first character of <da[...]

MC55_ATC_V04.00 Page 335 of 475 3/17/06 Confidential / Rele ased 13.2 A T+CMGC Send an SMS command Syntax Notes • After invoking the command s AT+CMGW , AT+CMGS or AT+CMGC it is necessary to w ait for the prompt ">" before entering text or PDU. After the prompt a timer will be started to observe the input. • At baudrates below 1920[...]

MC55_ATC_V04.00 Page 336 of 475 3/17/06 Confidential / Rele ased 13.3 A T+CMGD Delete short message The write command deletes a short message from the preferred message stor age <mem1> location <index> . Syntax Notes • If there is no short message stored at the selected index, the resp onse is OK too. • Users should be aware that wh[...]

MC55_ATC_V04.00 Page 337 of 475 3/17/06 Confidential / Rele ased 13.4 A T+CMGF Select SMS message format Syntax Command Description The write command specifies the in put and output format of the short messag es. Parameter Description [0] (&F) PDU mode 1 Text mo de Test Command AT+CMGF=? Response(s) +CMGF: (list of suppor ted <mode> s) OK[...]

MC55_ATC_V04.00 Page 338 of 475 3/17/06 Confidential / Rele ased 13.5 A T+CMGL List SMS messages fr om preferred stor e The write command r eturns me ssages with st atus value <stat> from message storage <mem1> t o the TE. If the status of the message is 'received unread', the st atus in the stor age changes to 'rece ived[...]

MC55_ATC_V04.00 Page 339 of 475 3/17/06 Confidential / Rele ased Notes • The selected <mem1> can contain different types o f SMs (e .g. SMS-DELIVERs, SMS-SUBMIT s, SMS-ST A- TUS-REPORT s and SMS-COMMANDs), th e response may be a mix of the responses of dif ferent SM types. TE application can recognize the response format by exa mining the t[...]

MC55_ATC_V04.00 Page 340 of 475 3/17/06 Confidential / Rele ased 13.6 A T+CMGR Read SMS messages The write command returns SM S message with location value <index> from messa ge storage <mem1> to the TE. If status of the message is 'received unread', status in the storage cha nges to 'received read'. Syntax Test Comm[...]

MC55_ATC_V04.00 Page 341 of 475 3/17/06 Confidential / Rele ased Notes • Response if AT+CMGR is used to read an empty record index: +CMGR: 0,,0 • Response if AT+CMGR is used to read a non-existent reco rd index: + CMS ERROR: invalid memory index • The parameter s <ra> and <tora> will only be displayed if parameter <ra> of th[...]

MC55_ATC_V04.00 Page 342 of 475 3/17/06 Confidential / Rele ased 13.7 A T+CMGS Send Short Message The write command transmits a short message from TE to network (SMS-SUBMIT). After invoking the write command wait for the prompt ">" an d then start to write the messa ge. To send the mes- sage simply enter <CTRL-Z> . After the prom[...]

MC55_ATC_V04.00 Page 343 of 475 3/17/06 Confidential / Rele ased • Message Le ngth in T ext Mode The maximum length of a short messa ge depends on th e us ed coding sch eme: It is 160 c haracters if the 7 bit GSM coding scheme is used, and 140 char acters according to the 8 bit GSM coding scheme. In case UCS2 character set selected it is hi g hly[...]

MC55_ATC_V04.00 Page 344 of 475 3/17/06 Confidential / Rele ased 13.8 A T+CMGW Write Shor t Messages to Memory The execute and write commands tr ansmit a short me ssage (either SMS-DELIVER or SMS-SUBMIT) from TE to memory storage <mem2> . Memory location <index> of the stored message is returned. Message status will be set to 'stor[...]

MC55_ATC_V04.00 Page 345 of 475 3/17/06 Confidential / Rele ased • If writing fails due to timeout, then AT^SM20 <CmgwMode> =1 causes "+CMS ERROR: Unknown er ror" to be returned; AT^SM20 <CmgwMode> =0 causes "+CMS ERROR: time r expired" to be returned. • Note that some providers do not recognize an @ sym bol used[...]

MC55_ATC_V04.00 Page 346 of 475 3/17/06 Confidential / Rele ased 13.9 A T+CMSS Send short messages from storage The write command sen ds message with location valu e <index> from message stor age <mem2> to the network (SMS-SUBMIT or SMS-COMMAND). If new recipi ent address <da> is given for SMS-SUBM IT, it shall be used instead of [...]

MC55_ATC_V04.00 Page 347 of 475 3/17/06 Confidential / Rele ased 13.10 A T+CNMA New Message Acknow ledgement to ME/TE, only phase 2+ The write / execute command confirms successful receip t of a new message (SMS-DELIVER or SMS-STATUS- REPORT) routed directly to the TE. TA shall not send an other +CMT or +CDS result code to TE until previous one is [...]

MC55_ATC_V04.00 Page 348 of 475 3/17/06 Confidential / Rele ased 13.1 1 A T+CNMI New short Message Indication The write command selects the procedure how the receipt of new short me ssages from the network is indicated to the TE when TE is active, e.g. DTR signal is ON. If TE is inactive (e.g. DTR sign al is OFF), message receiving should be done a[...]

MC55_ATC_V04.00 Page 349 of 475 3/17/06 Confidential / Rele ased URC 4 <bm> =2 (PDU mode enabled): +CBM: <length> <CR><LF> <pdu> Indicates that new cell broadcast message has been received URC 5 <bm> =2 (text mode enable d): +CBM: <sn> , <mid> , <dcs> , <page> , <pages> <CR><[...]

MC55_ATC_V04.00 Page 350 of 475 3/17/06 Confidential / Rele ased 2 SMS-DELIVERs, except class 2 messages and messages in the message waiting indication group (store messa ge) are routed directly to the TE using unsolicited result code: 3 Class 3 SMS-DELIVERs are routed direct ly to the TE using unsolicited result codes defined in <mt> =2. Mes[...]

MC55_ATC_V04.00 Page 351 of 475 3/17/06 Confidential / Rele ased 13.12 A T+CPMS Preferred SMS message storage The write command selects memory storag es <mem1> , <mem2> , <mem3> to be used for reading, writing, etc. Syntax Parameter Description Number of messages currently in <mem1> Number of messages currently in <mem2&g[...]

MC55_ATC_V04.00 Page 352 of 475 3/17/06 Confidential / Rele ased Notes • The Mobile Equipment storage ''ME'' of fers space for 25 short messages, see <mem1> . • ''MT'' is the sum of ''ME'' (= 25 location s) and ''SM' ' (capacity varies wit h SIM card). The ind[...]

MC55_ATC_V04.00 Page 353 of 475 3/17/06 Confidential / Rele ased 13.13 A T+CSCA SMS Service Center Address Write comm and updates th e SMSC address, through whic h mo bile originated SMs are transmitted. In text mode, setting is used by send an d write commands. In PDU mo de, setting is used by the sa me commands, but only when the leng th of the S[...]

MC55_ATC_V04.00 Page 354 of 475 3/17/06 Confidential / Rele ased 13.14 A T+CSCB Select Cell Br oadcast Message Indication The test command returns the supp orted modes as a compound value. The write command selects which type s of CBMs are to be received by the ME. Syntax Parameter Description Message mode [0] (&F) Accept messages that are de f[...]

MC55_ATC_V04.00 Page 355 of 475 3/17/06 Confidential / Rele ased 13.15 A T+ CSDH Show SMS text mode parameters The write command sets whether or not d etailed header information is shown in te xt mode res ult codes. Syntax Parameter Description [0] (&F) Do not show header values defined in commands AT+CSCA and AT+CSMP ( <sca> , <tosca&[...]

MC55_ATC_V04.00 Page 356 of 475 3/17/06 Confidential / Rele ased 13.16 A T+CSMP Set SMS text Mode Parameters The write command selects values fo r additional paramete rs needed when the short message is sent to the net- work or plac ed in a storag e when tex t format mess age mode is selected. It is possible to set the va lidity perio d starting fr[...]

MC55_ATC_V04.00 Page 357 of 475 3/17/06 Confidential / Rele ased Protocol Identifier GSM 03.40 TP-Protocol-Identifier in integer format 0 (&F) ...255 Notes • When storing a SMS DELIVER from the TE to the pr eferred memor y storage in text mode (u sing the AT+CMGW write command), <vp> field can be used for <scts> . • The command [...]

MC55_ATC_V04.00 Page 358 of 475 3/17/06 Confidential / Rele ased 13.17 A T+CSMS Select Message Service Syntax Parameter Description 0 (&F) GSM 03.40 and GSM 03.41 (the syntax of SMS AT comma nds is compatible with GSM 07.05 Phase 2 version 4.7.0; P hase 2+ features which do not require new command syntax may be supported, e.g. correct routing o[...]

MC55_ATC_V04.00 Page 359 of 475 3/17/06 Confidential / Rele ased Broadcast Type Message s: 0 Type not supported 1 Type supported Notes • If CSMS mode is switched from Phase 2+ to Phase 2 and one or more AT+CNMI Param eter are Phase 2+ specific a '+CMS ERROR: unknown error' will appear . It is recomme nded to switch the AT+CNMI Parameter[...]

MC55_ATC_V04.00 Page 360 of 475 3/17/06 Confidential / Rele ased 13.18 A T^SLMS List SMS Memory Storage AT^SLMS indicates the max. capacity of each SMS storage type and the number of locations currently used. Syntax Parameter Description Maximum number of messages storable in th e SMS memory of the SIM (physical storage "SM") Maximum numb[...]

MC55_ATC_V04.00 Page 361 of 475 3/17/06 Confidential / Rele ased 13.19 A T^SMGL List Short Messages fr om preferred store without set- ting st atus to REC READ The write command allows to select a status type and lists, from the message storage <mem1> , all messages that currently have the specified <stat> . The major difference over th[...]

MC55_ATC_V04.00 Page 362 of 475 3/17/06 Confidential / Rele ased 13.20 A T^SMGO Set or query SMS o verflow present ation mode or query SMS overflow The write command sets the overflow presentation mode . The read command retu rns the overflow pres entation mode and the SMS overflow status. Syntax Unsolicited Result Code SMS buffer change: ^SMGO: &l[...]

MC55_ATC_V04.00 Page 363 of 475 3/17/06 Confidential / Rele ased Notes • Incoming short messages with message class 1 (ME specif ic short messages) or class 2 (SIM specific short messages), see <dcs> in GSM 03.38, will be stored either in ''M E'' or in ''SM'' stor age. Theref ore the " ^SMGO : 2&[...]

MC55_ATC_V04.00 Page 364 of 475 3/17/06 Confidential / Rele ased 13.21 A T^ SMGR Read short message without setting st atus to REC READ The AT^SMGR command is a specific Siemens co mmand which has the same syntax as AT+CMGR . The only func- tional difference is that the status "REC UNREAD" of a short messag e is not overwritten to "R[...]

MC55_ATC_V04.00 Page 365 of 475 3/17/06 Confidential / Rele ased 13.22 A T^ SSCONF SM S Command Configuration AT^SSCONF controls details of some SMS releated command s. Please note that AT^SSCONF settings ar e stored volatile, i.e. after rest art or reset the default values will be restored. Syntax Parameter Description Display recipient addr ess [[...]

MC55_ATC_V04.00 Page 366 of 475 3/17/06 Confidential / Rele ased 13.23 A T^SSDA Set SMS Display A vailability This command allows to notify the MC 55 of its controlling app lication's capability to im mediately display incoming SMS on a display. If the application is able to display incoming short messa ges, a c lass 0 message shall be display[...]

MC55_ATC_V04.00 Page 367 of 475 3/17/06 Confidential / Rele ased 13.24 A T^ SSMSS Set Short M essage Storage Sequence The short message storage ''MT '' (see AT+CPMS ) is a logical storage. It consists of two ph ysical storages ''ME'' and ''SM''. This command allows to select the sequence o[...]

MC55_ATC_V04.00 Page 368 of 475 3/17/06 Confidential / Rele ased 14. SIM related Commands The AT commands described in th is chapter are related to the Sub scriber Identity Module (SIM) connected to MC55. Note: If using data from the SIM p lease bear in mind th at the content of all Elementary Files is subject to change at any moment! This is true [...]

MC55_ATC_V04.00 Page 369 of 475 3/17/06 Confidential / Rele ased 178 READ RECORD 192 GET RESPONSE 214 UPDATE BINARY 220 UPDATE RECORD 242 STATUS Identifier for an elementary dat a file on SIM, if used by <command> . Parameter to be passed on by the MC55 to the SIM. 0...255 Parameter to be passed on by the MC55 to the SIM. 0...255 Parameter to[...]

MC55_ATC_V04.00 Page 370 of 475 3/17/06 Confidential / Rele ased 14.2 A T^SXSM Extended SIM Access AT^SXSM extends AT+CRSM with additional SIM commands. All parameters of AT^SXSM are used as specified by GSM 11 .11 [21] . MC55 handles internally a ll required SIM interface locking and f ile selection routines. MC55 may return er ror result code &qu[...]

MC55_ATC_V04.00 Page 371 of 475 3/17/06 Confidential / Rele ased Status information from the SIM about the execution of the actual command. It is returned in both cases , on suc- cessful or failed execution of the command. 0...255 Status information from the SIM about the execution of the actual command. It is returned in both cases , on suc- cessf[...]

MC55_ATC_V04.00 Page 372 of 475 3/17/06 Confidential / Rele ased 14.3 A T^SCKS Query SIM and Chip Card Holder St atus This command controls the SIM connection presentation mode and qu eries the connection status of the SIM and the card holder tray of the MC55. Syntax Unsolicited Result Code ^SCKS: <SimStatus> During startup, and if the M C 55[...]

MC55_ATC_V04.00 Page 373 of 475 3/17/06 Confidential / Rele ased Note • <SimStatus> reflects the status of the S IM and the c ard holder t ray . Th erefore if an e mpty SIM card tray is inserted, two URCs will be presente d, indicating the status 1 followed by 0, i.e. a SIM is inserted into the card holder tray but no SIM connection cou ld [...]

MC55_ATC_V04.00 Page 374 of 475 3/17/06 Confidential / Rele ased 14.4 A T^SCID Display SIM card identification number Syntax Command Description TA returns the card identificati on number in SIM (SIM file EF ICCID , see GSM 11.11 Chap.10.1.1) as string type. Parameter Description card identification number of SIM card Test Command AT^SCID=? Respons[...]

MC55_ATC_V04.00 Page 375 of 475 3/17/06 Confidential / Rele ased 14.5 A T+CXXCID D isplay card ID Syntax Command Description TA returns the card identification numb er in SIM (SIM file EF ICCID, see GSM 11.11 Chap.10.1. 1) as string typ e. Note • See also: AT^SCID . Test Command AT+CXXCID=? Response(s) OK Exec Command AT+CXXCID Response(s) +CXXCI[...]

MC55_ATC_V04.00 Page 376 of 475 3/17/06 Confidential / Rele ased 15. SIM Application T oolkit (SA T) Commands This chapter offers a brief reference of commands and respon ses related to the MC55's SIM Application Toolkit (SAT) implementation. Detailed info rmation is available with the document "Remote-SAT User Guide " [4] . Please c[...]

MC55_ATC_V04.00 Page 377 of 475 3/17/06 Confidential / Rele ased Parameter Description MC55 Remote-SAT interface states 0 RESET 1 OFF 2I D L E 3 PAC 4W A I T 0 GSM charac ter set Input of a character re quests one byte, e.g. " Y". 1 UCS2 To display the 16 bit va lue of characters re presented in UCS2 alphabet a 4 byte string is required, [...]

MC55_ATC_V04.00 Page 378 of 475 3/17/06 Confidential / Rele ased 15.2 ^SSTN SA T Notification Unsolicited Result Codes URC 1 Proactive Command notification ^SSTN: <cmdType> Every time the SIM Application issues a Proactive Command, via the ME, the TA will receive a notification. This indicates the type of Proactive Co mmand issued. AT^SSTGI m[...]

MC55_ATC_V04.00 Page 379 of 475 3/17/06 Confidential / Rele ased 15.3 A T^SSTGI SA T Get Information Regularly this command is us ed upon receipt of an URC " ^SSTN " to request the parameters of the Proactive Command. Then the TA is expected to a cknowledge the AT^SSTGI response with AT^SSTR to confirm that the Proactive Command has been [...]

MC55_ATC_V04.00 Page 380 of 475 3/17/06 Confidential / Rele ased 1 5 . 4 AT ^ S S T R S AT R e s p o n s e The TA is expected to acknowledge the AT^SSTGI response with AT^SSTR to confirm tha t the Proactive Co m- mand has been executed. AT^SSTR will also provide any user informati on, e.g. a select ed menu item. Syntax Parameter Description MC55 Re[...]

MC55_ATC_V04.00 Page 381 of 475 3/17/06 Confidential / Rele ased 16. Phonebook Commands The AT commands described in this ch apter allow the e xternal application to access the pho nebooks located in the MC55's m emory or on the attached Subscriber Identity Module (SIM). 16.1 Sort Order for Phonebooks Due to the support of UCS2 for the <tex[...]

MC55_ATC_V04.00 Page 382 of 475 3/17/06 Confidential / Rele ased 16.2 A T+CPBR Read from Phonebook AT+CPBR serves to read one or more entrie s from the phonebook selected with AT comma nd AT+CPBS . The AT+CPBR test command returns th e location range supported by the cu rr ent phonebook storag e, the maxi- mum length of <number> field and th [...]

MC55_ATC_V04.00 Page 383 of 475 3/17/06 Confidential / Rele ased Type of address octet, which defines the used type of number (ton) and th e numbering plan identification (npi). Please consider th at for types othe r than 129 or 145 d ialing from phon ebook with ATD><mem><n> is, depending on the networ k, not always possible (refer t[...]

MC55_ATC_V04.00 Page 384 of 475 3/17/06 Confidential / Rele ased Example AT+CPBR=? First run the AT+CPBR test command to find out the maximum range of entries stor ed in the active phonebook. +CPBR:(1-100),20,17 MC55 returns the supporte d values, where 100 is the supported range of location numbers, 20 is the length of the phon e number and 17 is [...]

MC55_ATC_V04.00 Page 385 of 475 3/17/06 Confidential / Rele ased 16.3 A T+CPBS S elect phonebook memory storage AT+CPBS selects the active phonebo ok stor age, i.e. the phonebook storage th at all sub sequent phonebook com- mands will be operating on. The read command returns the currently selected <storage> , the number of <used> en tr[...]

MC55_ATC_V04.00 Page 386 of 475 3/17/06 Confidential / Rele ased "MC" Missed (unanswered received) calls list Capacity: max. 10 entries Location: ME AT+CPBW command is not applicab le to this storage. The MC list can be deleted with AT^SPBD . "RC" Received calls list Capacity: max. 10 entries Location: ME AT+CPBW command is n ot[...]

MC55_ATC_V04.00 Page 387 of 475 3/17/06 Confidential / Rele ased 16.4 A T+CPBW Write into Phonebook The AT+CPBW write command can be used to cr eate, ed it and delete a phone book entry at a <location> of the active st orage selec ted with AT+CPBS . If <storage> ="F D" (SIM fixed dialin g numbers) is se lected, PIN2 au thentic[...]

MC55_ATC_V04.00 Page 388 of 475 3/17/06 Confidential / Rele ased Type of address octet, which defines the used type of number (ton) and th e numbering plan identification (npi). Please consider th at for types othe r than 129 or 145 d ialing from phon ebook with ATD><mem><n> is, depending on the network, not a lways possible (refer G[...]

MC55_ATC_V04.00 Page 389 of 475 3/17/06 Confidential / Rele ased Examples EXAMPLE 1 Make a new phonebook entry at the first fre e location EXAMPLE 2 Delete entry at location 1 EXAMPLE 3 The following examples are provided to illustrate the effect of writing phonebook entr ies with different types of dial string modifiers in <number> EXAMPLE 4[...]

MC55_ATC_V04.00 Page 390 of 475 3/17/06 Confidential / Rele ased 16.5 A T^SPBC F ind first matching entry in sorted phonebook The AT^SPBC write command searches the curren t phonebook for the index number of the first (l owest) entry that matches th e character sp ecified with <schar> . The AT^SPBC test command returns th e list of phonebooks[...]

MC55_ATC_V04.00 Page 391 of 475 3/17/06 Confidential / Rele ased 16.6 A T^SPBD Purge phonebook memory storage AT^SPBD can be used to purge the selected phonebook <st orage> manually, i.e. all en tries st ored in the selected phonebook st orage will be deleted. CAUTIO N! The operation cannot be stopped no r reversed! The AT^SPBD test command r[...]

MC55_ATC_V04.00 Page 392 of 475 3/17/06 Confidential / Rele ased 16.7 A T^SPBG Display phonebook en tries in alphabetical order AT^SPBG sorts the entries of the curr ent phonebook in alphabeti cal order by name (the first six characters mat- ter). The sort orde r is described in Section 16.1 , Sort Order for Phonebooks . There are two ways to use A[...]

MC55_ATC_V04.00 Page 393 of 475 3/17/06 Confidential / Rele ased Is a display of the "real" <location> of the entr y required? [0] Do not show an entry' s "real" location number. Parameter <location> will not be displayed. 1 Show the "real" loca tion number as parameter <location> at the end of e[...]

MC55_ATC_V04.00 Page 394 of 475 3/17/06 Confidential / Rele ased Notes • The command can be used for the phone books "SM", "FD", "ME" (cf. AT+CPBS ). • Users should be aware that when using this A T comma nd quickly af ter SIM PIN authentication the SIM dat a may not yet be accessible, resulting in a sh ort delay b[...]

MC55_ATC_V04.00 Page 395 of 475 3/17/06 Confidential / Rele ased 16.8 A T^SPBS Step through the se lected phonebook alphabetically AT^SPBS can be used to scroll sequentially through the ac tive pho nebook records in alphabe tical order by name. Three entries will be displayed at a time. Every time the write comma nd is executed, 3 rows of pho neboo[...]

MC55_ATC_V04.00 Page 396 of 475 3/17/06 Confidential / Rele ased After a write com mand has terminated su ccessfully with "OK", the value from parameter <index-a> is saved and retained as th e new <internal- counter> value. Mind after the last record of phonebook, the first entry follows. 1...maxindex The index in the sorted l[...]

MC55_ATC_V04.00 Page 397 of 475 3/17/06 Confidential / Rele ased 0 (&F) ...maxindex This para meter is only an internal paramete r and cannot modified directly. The internal counter will be rese t to index 0 after a call to ATZ or AT&F . Notes • The complete list of sorte d entries ca n be retrieve d using A T command AT^SPBG . • The co[...]

MC55_ATC_V04.00 Page 398 of 475 3/17/06 Confidential / Rele ased EXAMPLE 3 Using AT^SPBS with <RealLocReq> =1 in order to obtain the entries' locat ion number s: The numbers at the e nd of each line are the memory locations in the phonebook and can be used for dialing or editing phoneboo k entries: at^spbs=1,1 ^SPBS:1,"+999999"[...]

MC55_ATC_V04.00 Page 399 of 475 3/17/06 Confidential / Rele ased 16.9 A T+CNUM Read own numbers AT+CNUM returns the subscribers own nu mber(s) from the SIM. Syntax Parameter Description Optional alphanumeric string associated with <number> . Phone number in fo rmat specified by <type> . Type of address octet, see also: AT+CPBR <type&[...]

MC55_ATC_V04.00 Page 400 of 475 3/17/06 Confidential / Rele ased 16.10 A T^ SDLD Delete the 'la st number redial' memory AT^SDLD deletes all numbers stored in th e "LD" memory. Syntax Note • Users should be aware that when using this A T comma nd quickly af ter SIM PIN authentication the SIM dat a may not yet be accessible, re[...]

MC55_ATC_V04.00 Page 401 of 475 3/17/06 Confidential / Rele ased 17. Audio Commands The AT Commands descri bed in this chapter are related to the MC55's audio interface. 17.1 Audio programming model The following figure illustrates how the signal path can be adjusted with the parameters <inCalibrate> , <inBbcGain> , <outBbcGain&[...]

MC55_ATC_V04.00 Page 402 of 475 3/17/06 Confidential / Rele ased 17.2 A TL S et monitor speaker loudness ATL is implemented for V.250ter com patibility reasons only, and has no effect. In multiplex mode (refer AT+CMUX ) the command is suppor ted on logical channel 1 on ly. Syntax Parameter Description 17.3 A TM Set monitor speaker mode ATM is imple[...]

MC55_ATC_V04.00 Page 403 of 475 3/17/06 Confidential / Rele ased 17.4 A T+CL VL Loudspeaker volume level Syntax Parameter Description Loudspeake r Volume Level 0...4 (D) Notes • The write command can only be used in audio mode 2 - 6. • The values of the volume step s are specified with the parameters <outCal ibrate> [0],... <outCali- b[...]

MC55_ATC_V04.00 Page 404 of 475 3/17/06 Confidential / Rele ased 17.5 A T+CMUT Mute control The AT+CMUT command mu tes the microphone input. The comm and can be used in all audio modes ( 1 to 6) and during a voice call only. See AT^SNFS for more de tails on the various audi o mode s. As alternative, you can use the AT^SNFM command. During an active[...]

MC55_ATC_V04.00 Page 405 of 475 3/17/06 Confidential / Rele ased 17.6 A T+VTD T one durat ion This command refers to an integer <duration> that defines the le ngth of tones tran smitted with the AT+VTS command. Syntax Parameter Description Duration of the DTMF signal in 1/10 second s with tolerance. The minimum duration o f DTMF sign als is 3[...]

MC55_ATC_V04.00 Page 406 of 475 3/17/06 Confidential / Rele ased 17.7 A T+VTS DTMF and tone generation AT+VTS is intended to send ASCII characte rs or strings wh ich cause the Mobile Switch ing Center (MSC) to trans- mit DTMF tones to a remote su bscriber. The command can only be used during ac tive voice calls and offers the following variants: ?[...]

MC55_ATC_V04.00 Page 407 of 475 3/17/06 Confidential / Rele ased 17.8 A T^SAIC A udio In terface Configuration AT^SAIC configures the interface conn ections of the active audio mode. The write command is usable in audio modes 2 to 6 only. If AT^SNFS =1, any attempt to use AT^SAIC write command is rejected wi th error response. Th is is because all [...]

MC55_ATC_V04.00 Page 408 of 475 3/17/06 Confidential / Rele ased Notes • The factory defaults of AT^SAIC vary with the selected audio mode. If AT^SNFS =1 or 4 or 5, then AT^SAIC =2,1,1. If AT^SNFS =2 or 3 or 6, then AT^SAIC =2,2,2. AT^SNFD can be use d to reset the factory de faults. • For use after restart of the ME, yo u are advised to store [...]

MC55_ATC_V04.00 Page 409 of 475 3/17/06 Confidential / Rele ased 17.9 A T^SNF A Set or query of microphone attenuation AT^SNFA specifies the large-sca le attenuation on the micr ophone path of the au dio device currently selected with AT^SNFS . The write command is only available in audio modes 2 to 6. Syntax Parameter Description Multiplication fa[...]

MC55_ATC_V04.00 Page 410 of 475 3/17/06 Confidential / Rele ased Example ^SYSSTART at^snfa=? ^SNFA: (0-65535) OK at^snfa? ^SNFA: 32767 OK at^snfs=4 OK at^snfa=1 OK at^snfa? ^SNFA: 1 OK at^snfi? ^SNFI: 5,1 OK at^snfi=5,45 OK at^snfa? ^SNFA: 45 OK[...]

MC55_ATC_V04.00 Page 411 of 475 3/17/06 Confidential / Rele ased 17.10 A T^ SNFD Set audio parameters to manufacturer default values AT^SNFD sets th e active audio parameters to manufactu rer defined default value s. The restored values ar e: AT^SNFA : <atten> AT^SNFI : <inBbcGain> , <inCalibrate > AT^SNFO : <outBbcGain> , &[...]

MC55_ATC_V04.00 Page 412 of 475 3/17/06 Confidential / Rele ased 17.1 1 A T^SNFI Set microphone p ath p arameters AT^SNFI controls the mi crophone path amplification. Re ad an d write options of this command refer to the active audio mode. The write command works only in audio modes 2 to 6. Syntax Parameter Description ADC gain adjustable in eight [...]

MC55_ATC_V04.00 Page 413 of 475 3/17/06 Confidential / Rele ased 17.12 A T^SNFM Set microphone audio p ath and power supply The AT^SNFM read command re turns the microphone mute an d supply voltage status. The AT^SNFM write command can be used to switch the microp hone's audio path (muted / n ot muted) or to con- trol the power supply of th e [...]

MC55_ATC_V04.00 Page 414 of 475 3/17/06 Confidential / Rele ased Microphone supply voltag e control status. 0 Supply voltage was set to a constant value. 2 Supply voltage state is controlled by the ME and depend s on parameter data set of the selected audio mode. Notes • The programmable power supply of the MICP2 line gives you greater flex ibili[...]

MC55_ATC_V04.00 Page 415 of 475 3/17/06 Confidential / Rele ased 17.13 A T^ SNFO Set audio output (= loudspeaker path) p arameter AT^SNFO controls the earpiece path amplification. The read and write commands refer to the active audio mod e. The write command works only in audio modes 2 to 6. Syntax Parameter Description Negative DAC gain (attenuati[...]

MC55_ATC_V04.00 Page 416 of 475 3/17/06 Confidential / Rele ased Notes • <outCalibrate> specifies the amount of volume of each <outStep> . The rang e of each <outCali- brate> is up to 65535, but will be supp ressed to 32767. A value above <outCalibrate> = 65535 will cause an error . • The range of <sideTone> is up [...]

MC55_ATC_V04.00 Page 417 of 475 3/17/06 Confidential / Rele ased 17.14 A T^SNFPT Set progress tones AT^SNFPT controls the Call Progress Tones gen erated at the beginning of a mobile origina ted call setup. Please note that the setting is stored volatile, i.e. after restart or reset, the default value 1 will be restored. Syntax Parameter Description[...]

MC55_ATC_V04.00 Page 418 of 475 3/17/06 Confidential / Rele ased 17.15 A T^ SNFS Select audio hardware set The AT^SNFS write command serves to set the audio mo de required for the connected equipment. AT^SNFS can also be used in conjunction with AT^SA IC . This is useful, for example, if the audio interfaces ar e operated alternative ly to benefit [...]

MC55_ATC_V04.00 Page 419 of 475 3/17/06 Confidential / Rele ased Notes • The write command can be used during a vo ice call to switch back and forth between d ifferen t modes. This allows the user , for example, to switch handsfree operation (speakerphone) on and off. • Users shou ld be aware t hat <outStep> is a global setting. This mean[...]

MC55_ATC_V04.00 Page 420 of 475 3/17/06 Confidential / Rele ased T o switch back and forth: AT^SNFW Stores the audio mode and the interface. OK AT^SNFS=4 Switches to the handset conn ected to analog interface 1. OK AT^SNFS=2 Switches to the handsfree device at analog interface 2. OK[...]

MC55_ATC_V04.00 Page 421 of 475 3/17/06 Confidential / Rele ased 17.16 A T^SNFTTY Signal TTY/ CTM audio mode capability MC55 offers basic sup port for equipment using the CTM standard (Cellular Text Telep hone Modems). The b en- efit of CTM is that text characters typed on a TT Y device (Text Telephone Type-wri ter) can be transformed into special [...]

MC55_ATC_V04.00 Page 422 of 475 3/17/06 Confidential / Rele ased 17.17 A T^SNFV Set loudspeaker volume AT^SNFV can be used to set the volume of the loudspeaker to th e value <outCalibrate> addressed by <out- Step> . The read and wr ite commands refer to the active aud io mode. The write command works only in audio modes 2 to 6. Syntax P[...]

MC55_ATC_V04.00 Page 423 of 475 3/17/06 Confidential / Rele ased 17.18 A T^SNFW Write audio setti ng in non-volatile store AT^SNFW causes the TA to write the curren tly selected au dio param eters to non -volatile stor e. The save d audio profile includ es the follow ing parame ters: AT^SNFA : <atten> AT^SNFI : <inBbcGain> , <inCalib[...]

MC55_ATC_V04.00 Page 424 of 475 3/17/06 Confidential / Rele ased 17.19 A T^SRTC Ring tone configuration The AT^SRTC read comman d returns the curr ent <type> and current <volume> . The re ad command can be used while te st playback is o ff or on. In the latter case, s ee exec ute comma nd for details. The AT^SRTC execute command is inte[...]

MC55_ATC_V04.00 Page 425 of 475 3/17/06 Confidential / Rele ased Parameter Description Type of ring tone. You have a choice of 7 different ring tones and melo dies. All will be played from the audio output selected with the AT^SNFS command. <type> =0 is only intended for muting. 0 Mutes the curr ently played tone immediately. 1 Sequence 1 2 S[...]

MC55_ATC_V04.00 Page 426 of 475 3/17/06 Confidential / Rele ased 18. Hardware related Commands The AT Commands descr ibed in this chapter are rela te d to the MC55's hardware interface . More information regarding this interf ace is available with the "MC55 Hardware Interf ace Descrip tion" [2] . 18.1 A T+CCLK Real Time Clock Syntax [...]

MC55_ATC_V04.00 Page 427 of 475 3/17/06 Confidential / Rele ased 18.2 A T+CALA Set alarm time The AT+CALA write command can be used to se t an alarm t ime in the ME Whe n the alarm time is reache d and the alarm is executed the ME returns an Unso licited Resu lt Code (URC) and the alar m time is reset to "00/01/ 01,00:00:00". The alarm ca[...]

MC55_ATC_V04.00 Page 428 of 475 3/17/06 Confidential / Rele ased Unsolicited Result Codes URC 1 +CALA: [ <text> ] Indicates remi nder message. URC 2 ^SYSSTART ALARM MODE +CALA: <text> Indicates ME wake-up into Alarm mode. If autobauding is ac tive ( AT+IPR =0) the line " +CALA " do es not appear, but your individu al <text&[...]

MC55_ATC_V04.00 Page 429 of 475 3/17/06 Confidential / Rele ased • Alarm settings on ASC0 / ASC1 and dif ferent Multiplexer channels (see AT+CMUX ): - On each interface an individual <text> message can be stored, but only one time setting applies. This means an alarm <time> set on one of the interfaces overwrites the time setting on a[...]

MC55_ATC_V04.00 Page 430 of 475 3/17/06 Confidential / Rele ased 18.3 A T^SBC Battery Charge Control The functions of the AT^SBC differ depe nding on whether or not a battery is present. • General funct ions: The AT^SBC write command enable s the presentation of URCs aler ting the user of und ervoltage conditions before the module switches off. T[...]

MC55_ATC_V04.00 Page 431 of 475 3/17/06 Confidential / Rele ased ^SBC: Undervoltage The message will be re ported, for example, when the user attempts to set up a ca ll while the voltage is close to the critical limit and further power loss is caused during the transmit burst. When t he external charging circuit includes an NTC conn ected to the BA[...]

MC55_ATC_V04.00 Page 432 of 475 3/17/06 Confidential / Rele ased Notes • If multiplex mode ( AT+CMUX ) is active, any virtual channel can be used for e n tering the re ad or write com- mand. The undervolt age URC will be issued simultan eously on all three channels. • The URC " ^SYSSTART CHARGE ONLY MODE " is indicated automa tically [...]

MC55_ATC_V04.00 Page 433 of 475 3/17/06 Confidential / Rele ased 18.4 A T^SBV Battery/Supply V olt age The AT^SBV execute command allows to monitor the supply (o r battery) voltage of the modu le. The voltage is continuously measured at inter vals depending on the opera ting mode of the RF interface. The duration of a mea- surement per iod ranges f[...]

MC55_ATC_V04.00 Page 434 of 475 3/17/06 Confidential / Rele ased 18.5 A T^SCTM Set critical operatin g temperat ure present ation mode or query temperature Use this command to monito r the temperature range of the module and the battery. The write command enables or disables the presentat ion of URCs to report crit ical temperature limits. CAUTION:[...]

MC55_ATC_V04.00 Page 435 of 475 3/17/06 Confidential / Rele ased Command Description The read command re turns: • the URC presentation mode • information about the cur rent temperature range of the module Please note that the Read command does no t indicate the temperatur e range o f the bat tery. The battery t emper- ature can only be repor te[...]

MC55_ATC_V04.00 Page 436 of 475 3/17/06 Confidential / Rele ased EXAMPLE 2 URCs issued wh en the temp erature is b ack to normal (URC is output once): ^SCTM_A: 0 Battery temp erature ba ck to normal temperatur e. ^SCTM_B: 0 Engine back to normal temperatur e.[...]

MC55_ATC_V04.00 Page 437 of 475 3/17/06 Confidential / Rele ased 18.6 A T^SSYNC Configure SYNC Pin The AT^SSYNC command serves to configure the SYNC pin of th e application interf ace. Please note that the SYNC pin may be assigned different func tions: De pending on the design of the host application, the pin ca n either be used to indicate the cur[...]

MC55_ATC_V04.00 Page 438 of 475 3/17/06 Confidential / Rele ased 18.6.1 ME st atus indicated by status LED p atterns The following table lists the possible patterns of status LED behavior, and de scribes the ME operating status indi- cated by each patte rn if AT^SSYNC parame ter <mode> =1. During the tran sition from one LED patter n to anoth[...]

MC55_ATC_V04.00 Page 439 of 475 3/17/06 Confidential / Rele ased 19. Miscellaneous Commands The AT Commands descri bed in this chapter are related to various areas. 19.1 A/ Repeat prev ious command line Syntax Command Description Repeat previous command line. Notes • Line does not need to end with terminating char acter . • After beginning with[...]

MC55_ATC_V04.00 Page 440 of 475 3/17/06 Confidential / Rele ased 19.2 A TS3 Set command line termination character The ATS3 command determ ines the ch aracter reco gnized by th e TA to ter minate an in coming comm and line. Syntax Parameter Description command line termination character 000...13 (&F) . ..127 Notes • Using a value other than t[...]

MC55_ATC_V04.00 Page 441 of 475 3/17/06 Confidential / Rele ased 19.3 A TS4 Set response formatting character The ATS4 command deter mines the character generated by the TA for result code and information te xt. Syntax Parameter Description response formatting character 000...10 (&F) . ..127 Note • Whenever you change the setting take into ac[...]

MC55_ATC_V04.00 Page 442 of 475 3/17/06 Confidential / Rele ased 19.4 A TS5 Write command line editing character Syntax Command Description This parameter setting de termines the character recog nized by TA as a r equest to delete the immedia tely pre- ceding character from the command line. Parameter Description command line editing character 000.[...]

MC55_ATC_V04.00 Page 443 of 475 3/17/06 Confidential / Rele ased 20. Appendix 20.1 Restricted access to SIM dat a af ter SI M PIN authentication The following comma nds can be u sed only afte r data from th e SIM have been re ad successfully for the first time. Reading sta rts after suc cessful SIM au thentication h as been performed, and may take [...]

MC55_ATC_V04.00 Page 444 of 475 3/17/06 Confidential / Rele ased 20.2 St ar-Hash (*#) Network Comman ds The following command strings can be sent to the network via ATD an d have to be terminated with a semicolon. The command stri ngs are defined wi th GSM 2.30 [16] . Table 20.1: Star-Hash (*#) Command Overview Star-Has h Code Functionality Respons[...]

MC55_ATC_V04.00 Page 445 of 475 3/17/06 Confidential / Rele ased *) Notes on ^SCCFC, + CCW A, ^SCLCK: Th e output depends on th e affected basic service of the S tar-Hash code. One li ne will be output for every tele- or bearer service coded in basic service code BS. ^SCCFC and ^SCLCK are modifie d by giving an additional <reaso n> or <fac[...]

MC55_ATC_V04.00 Page 446 of 475 3/17/06 Confidential / Rele ased Table 20.3: Star-Hash Command Re sponse Parameters For exact specification of format and parameters fo r Star-Hash commands re fer to GSM 02.04, Table 3.2 [1 5] and GSM 02.30, Annex C [16] . Table 20.4: Star-Hash Commands for Su pplementary Services PW Passw ord -- C Character of TE c[...]

MC55_ATC_V04.00 Page 447 of 475 3/17/06 Confidential / Rele ased 20.3 A vailable A T Commands and Dependency on SIM PIN ; ... Command not available ! ... Command does not require PIN1 % ... Command requires PIN1 § ... Command sometimes requires PIN1 Table 20.5: Available AT Commands and Dependency on SIM PIN AT Comman d Exec Test Read Write Config[...]

MC55_ATC_V04.00 Page 448 of 475 3/17/06 Confidential / Rele ased Security Commands AT+CPIN ;!!! AT+CPIN2 ;%%% AT^SPIC !!!! AT+CLCK ;%;% AT^SLCK ;%;% AT+CPWD ;%;% AT^SPWD ;%;% Identification Commands ATI !;;; AT+CGMI !!;; AT+GMI !!;; AT+CGMM !!;; AT+GMM !!;; AT+CGMR !!;; AT+GMR !!;; AT+CGSN !!;; AT+GSN !!;; AT+CIMI %%;; Call related Commands ATA %;;[...]

MC55_ATC_V04.00 Page 449 of 475 3/17/06 Confidential / Rele ased AT+CR ;%%% AT+CRC ;!!! AT+CSNS ;!!! AT^SCNI %%;; AT^SLCD %%;; AT^STCD %%;; ATP !;;; ATT !;;; Network Service Comma nds AT+COPN %%;; AT+COPS ;!§§ AT^SOPS ;%;; AT+CREG ;!!! AT+CSQ !!;; AT^SMONC %%;; AT^SMOND %%;; AT^MONI !!;! AT^MONP !!;! AT^SMONG %%;% AT^SALS ;%%% AT^SHOM !!;; AT^SPL[...]

MC55_ATC_V04.00 Page 450 of 475 3/17/06 Confidential / Rele ased Internet Service Commands AT^SICS ;!!! AT^SICI ;!!! AT^SISS ;!!! AT^SISI ;!!! AT^SISO ;!!% AT^SISC ;!;% AT^SISR ;!;% AT^SISW ;!;% AT^SISE ;!;! GPRS Commands AT+CGACT ;%%% AT+CGANS ;%;% AT+CGATT ;%%% AT+CGAUTO ;%%% AT+CGEREP ;%%% AT+CGDATA ;%;% AT+CGDCONT ;%%% AT+CGPADDR ;%;% AT+CGQMIN[...]

MC55_ATC_V04.00 Page 451 of 475 3/17/06 Confidential / Rele ased AT+FDIS ;!!! AT+FDR !;;; AT+FDT !;;! AT+FET ;;;! AT+FK !;;; AT+FLID ;!!! AT+FMDL ;;!; AT+FMFR ;;!; AT+FOPT ;;;! AT+FPHCTO ;;!! AT+FREV ;;!; AT+FRH ;!;! AT+FRM ;!;! AT+FRS ;;;! AT+FTH ;!;! AT+FTM ;!;! AT+FTS ;;;! AT+FVRFC ;!!! Short Message Ser vice (SMS) Commands AT+CMGC ;%;% AT+CMGD [...]

MC55_ATC_V04.00 Page 452 of 475 3/17/06 Confidential / Rele ased AT^SSMSS ;!!! SIM related Commands AT+CRSM ;%;% AT^SXSM ;%;% AT^SCKS ;!!! AT^SCID !!;; AT+CXXCID !!;; SIM Application Toolkit ( SAT) Commands AT^SSTA ;!!! ^SSTN ;;;; AT^SSTGI ;!!! AT^SSTR ;!!! Phonebook Comman ds AT+CPBR ;%;% AT+CPBS ;%%% AT+CPBW ;%;% AT^SPBC ;%;% AT^SPBD ;%;% AT^SPBG[...]

MC55_ATC_V04.00 Page 453 of 475 3/17/06 Confidential / Rele ased AT^SNFW !!;; AT^SRTC !!!! Hardware related Co mmands AT+CCLK ;!!! AT+CALA ;!!! AT^SBC ;!!! AT^SBV !!;; AT^SCTM ;!!! AT^SSYNC ;!!! Miscellaneous Commands A/ !;;; ATS3 ;;!! ATS4 ;;!! ATS5 ;;!! AT Comman d Exec Test Read Write[...]

MC55_ATC_V04.00 Page 454 of 475 3/17/06 Confidential / Rele ased 20.4 A vailability of A T Commands De pending on Operating Mode of ME ! ... Command not supported % ... Command supported Table 20.6: Availability of AT Commands De pending on Operating Mo de of ME AT Comman d Normal Mode  Charge Configuration Comma nds AT&F %!! AT&V %!! AT[...]

MC55_ATC_V04.00 Page 455 of 475 3/17/06 Confidential / Rele ased AT+CPIN2 %!! AT^SPIC %!! AT+CLCK %!! AT^SLCK %!! AT+CPWD %!! AT^SPWD %!! Identification Commands ATI %!! AT+CGMI %!! AT+GMI %!! AT+CGMM %!! AT+GMM %!! AT+CGMR %!! AT+GMR %!! AT+CGSN %!! AT+GSN %!! AT+CIMI %!! Call related Commands ATA %!! ATD %!! ATD><mem><n> %!! ATD>[...]

MC55_ATC_V04.00 Page 456 of 475 3/17/06 Confidential / Rele ased AT+CSNS %!! AT^SCNI %!! AT^SLCD %!! AT^STCD %!! ATP %!! ATT %!! Network Service Comma nds AT+COPN %!! AT+COPS %!! AT^SOPS %!! AT+CREG %!! AT+CSQ %!! AT^SMONC %!! AT^SMOND %!! AT^MONI %!! AT^MONP %!! AT^SMONG %!! AT^SALS %!! AT^SHOM %!! AT^SPLM %!! AT+CPOL %!! AT^SPLR %!! AT^SPLW %!! S[...]

MC55_ATC_V04.00 Page 457 of 475 3/17/06 Confidential / Rele ased AT^SICI %!! AT^SISS %!! AT^SISI %!! AT^SISO %!! AT^SISC %!! AT^SISR %!! AT^SISW %!! AT^SISE %!! GPRS Commands AT+CGACT %!! AT+CGANS %!! AT+CGATT %!! AT+CGAUTO %!! AT+CGEREP %!! AT+CGDATA %!! AT+CGDCONT %!! AT+CGPADDR %!! AT+CGQMIN %!! AT+CGQREQ %!! AT+CGREG %!! AT+CGSMS %!! AT^SGAUTH [...]

MC55_ATC_V04.00 Page 458 of 475 3/17/06 Confidential / Rele ased AT+FDT %!! AT+FET %!! AT+FK %!! AT+FLID %!! AT+FMDL %!! AT+FMFR %!! AT+FOPT %!! AT+FPHCTO %!! AT+FREV %!! AT+FRH %!! AT+FRM %!! AT+FRS %!! AT+FTH %!! AT+FTM %!! AT+FTS %!! AT+FVRFC %!! Short Message Ser vice (SMS) Commands AT+CMGC %!! AT+CMGD %!! AT+CMGF %!! AT+CMGL %!! AT+CMGR %!! AT[...]

MC55_ATC_V04.00 Page 459 of 475 3/17/06 Confidential / Rele ased SIM related Commands AT+CRSM %!! AT^SXSM %!! AT^SCKS %!! AT^SCID %!! AT+CXXCID %!! SIM Application Toolkit ( SAT) Commands AT^SSTA %!! ^SSTN %!! AT^SSTGI %!! AT^SSTR %!! Phonebook Comman ds AT+CPBR %!! AT+CPBS %!! AT+CPBW %!! AT^SPBC %!! AT^SPBD %!! AT^SPBG %!! AT^SPBS %!! AT+CNUM %!![...]

MC55_ATC_V04.00 Page 460 of 475 3/17/06 Confidential / Rele ased AT^SRTC %!! Hardware related Co mmands AT+CCLK %%% AT+CALA %%% AT^SBC %%§ AT^SBV %%% AT^SCTM %%% AT^SSYNC %!! Miscellaneous Commands A/ %!! ATS3 %!! ATS4 %!! ATS5 %!! AT Comman d Normal Mode  Charge[...]

MC55_ATC_V04.00 Page 461 of 475 3/17/06 Confidential / Rele ased 20.5 A T Command Settings storable with A T&W Table 20.7: Settings Stored to User Profile on ASC0 / MUX Channel 1 AT Comman d Stored Paramete rs Configuration Comma nds ATQ <n> ATV <value> ATX <value> AT+CMEE <errMode> Status Control Commands ATS18 <n>[...]

MC55_ATC_V04.00 Page 462 of 475 3/17/06 Confidential / Rele ased Table 20.8: Settings Stored to User Profile on ASC1 / MUX Channels 2 and 3 FAX Commands AT+FCLASS <n> Short Message Ser vice (SMS) Commands AT+CMGF <mode> AT+CNMI <mode> , <mt> , <bm> , <ds> AT+CSDH <show> AT+CSMS <service> AT^SMGO <n[...]

MC55_ATC_V04.00 Page 463 of 475 3/17/06 Confidential / Rele ased AT+CREG <n> Supplementary Ser vice Commands AT^SACM <n> AT+CLIP <n> GPRS Commands ATS0 <n> Short Message Ser vice (SMS) Commands AT+CMGF <mode> AT+CNMI <mode> , <mt> , <bm> , <ds> AT+CSDH <show> AT+CSMS <service> AT^SMG[...]

MC55_ATC_V04.00 Page 464 of 475 3/17/06 Confidential / Rele ased 20.6 Factory Default Setting s Restorable with A T&F Table 20.9: Factory Default Settings Restorable with AT&F AT Comman d Factory Defaults Configuration Comma nds ATQ <n> =0 ATV <value> =1 ATX <value> =4 AT+CFUN <fun> =1 AT+CMEE <errMode> =0 AT+C[...]

MC55_ATC_V04.00 Page 465 of 475 3/17/06 Confidential / Rele ased AT^SALS <view> =0, <line> =1 Supplementary Ser vice Commands AT^SACM <n> =0 AT+CLIP <n> =0 AT+CSSN <n> =0, <m> =0 AT+CUSD <n> =0 GPRS Commands AT+CGAUTO <n> =3 AT+CGREG <n> =0 AT+CGSMS <service> =3 AT^SGAUTH <auth> =3 A[...]

MC55_ATC_V04.00 Page 466 of 475 3/17/06 Confidential / Rele ased Miscellaneous Commands ATS3 <n> =013 ATS4 <n> =010 ATS5 <n> =008 AT Comman d Factory Defaults[...]

MC55_ATC_V04.00 Page 467 of 475 3/17/06 Confidential / Rele ased 20.7 Summary of Unsolicit ed Result Codes (URC) Table 20.10: Summary of Unsolicited Result Codes (URC) AT Comman d URC Configuration Comma nds AT+CFUN ^SYSSTART AT+CFUN ^SYSSTART CHARGE ONLY MODE AT^SMSO ^SHUTDOWN Status Control Commands AT+CMER +CIEV : <indDescr> , <indValue[...]

MC55_ATC_V04.00 Page 468 of 475 3/17/06 Confidential / Rele ased Internet Service Commands AT^SISR ^SISR : <srvProfileId> , <urcCauseId> AT^SISW ^SISW : <srvProfileId> , <urcCauseId> Internet Ser- vice URC "^SIS" ^SIS : <srvProfileId> , <urcCause> [, [ < urcInfoId> ][, <urcInfoText> ]] GPRS [...]

MC55_ATC_V04.00 Page 469 of 475 3/17/06 Confidential / Rele ased AT^SCTM ^SCTM_A : <m> AT^SCTM ^SCTM_B : <m> AT Comman d URC[...]

MC55_ATC_V04.00 Page 470 of 475 3/17/06 Confidential / Rele ased 20.8 Alphabetical List of A T Commands Table 20.11: Alphabetical List of AT Commands AT Comman d Descript ion Section and Page +++ Switch from data mode to command mode Sectio n 7.17 , page 144 ^SSTN SAT Notification Sectio n 15.2 , page 378 A/ Repeat previous command line Se ction 19[...]

MC55_ATC_V04.00 Page 471 of 475 3/17/06 Confidential / Rele ased AT+CHUP Hang up call Sectio n 7.10 , page 137 AT+CIMI Request International Mobile Subscriber Identity (IMSI) Se ction 6.10 , page 125 AT+CIND Indicator control Sectio n 3.2 , page 62 AT+CLCC List current calls of ME Sectio n 7.20 , page 147 AT+CLCK Facility lock Se ction 5.4 , page 1[...]

MC55_ATC_V04.00 Page 472 of 475 3/17/06 Confidential / Rele ased AT+CRSM Restrict ed SIM Acce ss Sectio n 14.1 , page 368 AT+CSCA SMS Service Center Address Sectio n 13.13 , page 353 AT+CSCB Select Cell Broadcast Message Indication Section 13.14 , page 354 AT+CSCS Select TE character set Sectio n 2.12 , page 49 AT+CSDH Show SMS text mode parameters[...]

MC55_ATC_V04.00 Page 473 of 475 3/17/06 Confidential / Rele ased AT+GMR Request re vision iden tifi cation of software status Section 6.7 , page 123 AT+GSN Request International Mobile Equipment Identity (I MEI) Sect ion 6.9 , page 124 AT+ILRR Set TE-TA lo cal rate repo rting Sect ion 4.6 , page 90 AT+IPR Set fixed local rate Sectio n 4.7 , page 92[...]

MC55_ATC_V04.00 Page 474 of 475 3/17/06 Confidential / Rele ased AT^SMGO Set or query SMS overflow presen tation mode or query SMS overflow Sectio n 13.20 , page 362 AT^SMGR Read short messa ge without setting st atus to REC READ Section 13.21 , page 364 AT^SMONC Cell Monitoring Section 8.6 , page 172 AT^SMOND Cell Monitoring Section 8.7 , page 174[...]

MC55_ATC_V04.00 Page 475 of 475 3/17/06 Confidential / Rele ased ATD*99# Request GPRS service Section 11.16 , page 294 ATD><mem><n> Mobile originated call using specific memory and index number Sectio n 7.4 , page 130 ATD><n> Mobile originated call from active memory using index number Sectio n 7.5 , page 132 ATD><str&[...]