Sony Ericsson T310 manual

January 2003 T310/T312[...]

White Paper T310/T312 2 January 2003 This document is published by Sony Ericsson Mobile Communications AB, without any warranty*. Improvements and changes to this text necessitated by typogra phical errors, inaccuraci es of current information or impr ovements to programs and/or equipment, may be made by Sony Ericsson Mobile Communications AB at an[...]

White Paper T310/T312 3 January 2003 Contents Purpose of t his document .............. ............. ................ ............. ................ ............. 2 Product ove rview .................. ............. ................ ............. ................ ............. ............. 5 Key functio ns and featur es ................ ..........[...]

White Paper T310/T312 4 January 2003 Multimedia Messag ing Service .......................... ............. ................ ............. ........ 55 Instant messag ing/ Chat .... ................ ............. ................ ............. ................ ........ 58 Performance and technica l characteris tics ....... ................ .........[...]

White Paper T310/T312 5 January 2003 Pr oduct overview The Sony Ericsson T310 /T312 is designed for entertainmen t and imaging, with fea tures that are bursting w ith fun for consumers, and its a revenue winner for netwo rk operator s. The T310/T3 12 marketing focus is on mobile gaming, imaging and messaging. It h as all EMS and picture messaging ([...]

White Paper T310/T312 6 January 2003 Early Ericsson mobile phones supported a propr ietary non-polyphonic format called eMelody . Due to the musical limitation s of eMelody , and as it became popular to create, send an d download ring melodies, Ericsson a nd Sony Ericsson, together with other manu facturers created the more advanced n on-polyphonic[...]

White Paper T310/T312 7 January 2003 Full graphic 256 colour display The lar ge colour display of the T310 /T312 enhances viewing, facilitating high-quality multimedia messaging and personalized imaging. The standby display looks like the desktop in a computer , with the menus pr esente d as icons. Joystick navigation on the keypad The T310/T312 ha[...]

White Paper T310/T312 8 January 2003 download link also tries to influence the user to use WAP-based services and get used to using data oriented ser vices on the network. The Fun&Games menu includes a lin k called Download which directs the u ser to the Son y Ericsson WAP site where there are links to Games, Pictur es, Themes and Soun ds. The [...]

White Paper T310/T312 9 January 2003 Picture phone book The phone book in th e T310/T312 lets the user assign a pictur e or a personal ring signal to a certain phone number . When the use r gets a call from this person , the pictu re (instead of the number) is shown in the display . Events The T310/T312 Eve nts feature keeps track of important meet[...]

White Paper T310/T312 10 January 2003 select view , thumbnail or full view , as well a s keep track of the n umber and size of the pictures stored in the phone. The pictures stored in your T310/T312 can be used for creating your own digital postcards. This is easily done by adding text to the pictures and sending them via MMS. Themes With themes, t[...]

White Paper T310/T312 11 January 2003 MMS objects Although MMS is a dir ect descendant of SMS, th e differ ence in co ntent is dramatic. The size of an average SMS messa ge is about 14 0 bytes, while the maximum size of an MMS message is limited only by the memor y . That is why the ke y word to describe MMS co ntent is rich . Complete with words, [...]

White Paper T310/T312 12 January 2003 Benefits Essentially enabling the mobile terminal to serve as image processor and conveyor , Multimedia Messaging ac commodates th e exchange of important visual in formation as readily as it facilitates fun. Business and leisure usage of MMS will be dynamically mer ged, resulting in enhanced personal efficienc[...]

White Paper T310/T312 13 January 2003 Architectur e The MMS Centre (MMS-C) is comprised of the MMS Server , the MMS Proxy-Relay and the MMS Store. The MMS Centre is the ce ntral element of the MMS network ar chitec ture, pr oviding stor age and operational support, enabling instant delivery of multimedia messag es from terminal-to-terminal and term[...]

White Paper T310/T312 14 January 2003 EMS (Enhanced Messaging Service) Enhanced Messagin g Service (EMS) adds new powerful functiona lity to the well-known SMS standard. With it, mobile phone u sers can add life to SMS text messag ing in the for m of pictures, animations, soun d and formatted text. This give s the users new ways to express feelings[...]

White Paper T310/T312 15 January 2003 Huge business potential Network op erators can now enhanc e their ser vices and attract more customers by o ffering pictures, animations, ring s ignals and melodies f or download at their port als. Operators can char ge mor e per EMS message since it co ntains more data. Thereby EMS adds more value to the opera[...]

White Paper T310/T312 16 January 2003 song, TV show promotions, music artist promotions, lottery r esults, food and drinks pictures and recipes, mood-related pictures. Corporate Flight schedules, pre installed corporate logos, map snippets and travel info, co mpany branded icons and ring signa ls, corporate e-mail notifications, affinity programmes[...]

White Paper T310/T312 17 January 2003 W AP services The T310/T312 supp orts the WAP 1 .2.1 browser and pr otocol stack as well as the W AP 2.0 br owser . The T310/T312 ha s a WAP br owser , supporting WAP 2.0 (WML 1.3). WAP 2.0 optimizes usage o f higher bandwidths an d packet-based co nnections of wireless networ ks. The typical WAP client is a sm[...]

White Paper T310/T312 18 January 2003 Easy cr eate for WAP Creating a WAP service is no harder than creating an Inter net/intrane t service, as WML and WMLScript are based on well-known Internet languages suc h as HTML an d JavaScript. Using standard tools Service creators can u se standard tools such a s ASP (Active Server Page) or CGI (Common Gat[...]

White Paper T310/T312 19 January 2003 Security using W AP For certain W AP services, such as banking services, a se cure co nnection betwee n the phone and WAP gateway is necessary . An icon in the display of the T310/T3 12 indicates when a secur e connection is in use. The T310/T312 is base d on the WAP 2. 0 (WML 1.3) specification suite, in which[...]

White Paper T310/T312 20 January 2003 Manual configuration is done using the menu system in the phone. This is described in the User ’ s guide. Over -the-air provisioning of WA P settings T o simplify the configuration of WAP settings in the T310/T312, all settin gs can be sent to the phone as an SMS mess age. This makes it easy for an operator ,[...]

White Paper T310/T312 21 January 2003 Mobile Inter net The mobile Internet of fers much mor e than mobile access to t he Inter net. It o pens up a wh ole new range of situa tion-based servic es that giv e the user access to perso nalized communicatio ns, information an d entertainmen t, anytime, anywhe re. Data connections In order to browse via W [...]

White Paper T310/T312 22 January 2003 reaching police and emergency , taxi, deliv ery or automated servic es (vending machin es, supervision, veh icle tracking). Ho rizontal applications are more generic and inclu de those for Inter net access, e -mail, messaging , e-commerce and entertain ment. GPRS is able to take advantage of the global coverage[...]

White Paper T310/T312 23 January 2003 Using GPRS in the T310/T312 Instead of occupying an entire voice channel f or the duration of a data session, the T310/T312 sends/receives data in small packets, as needed, much like IP on the Inter net. Because of this, the T310/T312 has data transmission abilities summoned by the a pplication in u se on an as[...]

White Paper T310/T312 24 January 2003 limited to 9,600 bps. For more information, see “ Built-in GSM data modem technical data ” on page 69. High Speed Data gives a faster speed High Speed Data (HSCSD) increases speeds for circuit switched data by a llowing the phone to use a coding scheme with a high capa city , and to us e two time slots for [...]

White Paper T310/T312 25 January 2003 • GSM Subscriber Identif ication • Ericsson Specific A T C ommands for GSM • MMI Settings • ObEx • WAP Br owser Infrar ed transceiver Infrared communication creates a data link between two communicati ons devices through an infrar ed beam of light. On the T3 10/T312, this link is used to connect with [...]

White Paper T310/T312 26 January 2003 In-phone functions and featur es *Subscription and/or n etwork-dependent A Antenna conne ctor , external for HF kits No B Background light Y es Backgr ound pictur es, pr e-defined Y es Background pictur es, downloadable Y es, only limited by memory Bluetooth wir eless technology support No Bookmarks (URL memory[...]

White Paper T310/T312 27 January 2003 Camera applicat ion Y es. The applic ation supports the Communicam ™ MCA-20 and the Communicam ™ MCA-25. The user can browse, view , send and store pictures. It is also possible to set different pictur e sizes. Chat application Y es, SMS as radio bearer , develope d in- house. Clock Y es, with Automat ic Ti[...]

White Paper T310/T312 28 January 2003 G Games Y es, 3 pre-installed: Ace of Spades, Deep Abyss and Minigolf. Others can be downloaded. Number only limited by available memory . Group Graphics Y es (downloadable profiles) GPRS (General Packe t Radio Services)* Y es, up to 40.2 kbps (kilo bits per second) with multi slot class 4, 3+1 times lots in CS[...]

White Paper T310/T312 29 January 2003 Modem Y es, via IR N Nokia Group Graphics Y es, receiving Nokia Operat or Logos Y es, r eceiving Nokia Picture Messaging Y es, sendin g/receiving Nokia Ring T ones Y es, receiving O Option key Y es, gives the most common options for the function cu rrently in use. The option key also provides a help menu for ce[...]

White Paper T310/T312 30 January 2003 Possibility to download Y es, storage capacity limited by memory Possibility to create Y es, storage capacity limited by memory Picture messaging Y es, sending /receiving Picture Phone book Y es Pictures, exchange Y es, via EMS, MMS and infrared. Polyphonic ring sig nals Y es , 11 pre-defined. Predictive text i[...]

White Paper T310/T312 31 January 2003 Sleep mode Y es SMS (Short Messaging Service)* Y es SMS, long messag es (also known as concat- enated SMS)* Y es, up to 10 messages of 160 characters e ach (or 70 Ch inese characters). SMS Cell Broadcast* Y es SMS counter Y es SMS templates Y es , up to 10 te mplates of 30 ch aracters each Sound browser Y es. G[...]

White Paper T310/T312 32 January 2003 Battery r echar ging thr ough USB port No Maximum data rate thr ough USB port (bit/s) 9600 V Vibra tor Y es Vibrator mode: vibrating only Y es Vibrator mode: vibrating then ringin g No Vibrating mode: vibrating + ringing Y es Vibrator: activation Option key or lon g press on “ c ” . V oice coding Y es, EFR,[...]

White Paper T310/T312 33 January 2003 SIM application toolkit The SIM Application T oolkit (SIM A T) is a smart car d-centric method of dep loying prog rams that apply only to GSM and to SMS and USSD transports. Programs must be distr ibuted on sma rt cards. W AP is an Inte rnet-ce ntric method of deploying pr ograms that is indep endent of network[...]

White Paper T310/T312 34 January 2003 SIM A T services supported by the T310/T312 Service Mode Support in T310/ T312 CALL CONTROL Ye s CELL BROADCAST DOWNLOAD Ye s DISPLA Y TEXT T ext of up to 240 characters (120 ucs2 coded). Y es bit 1: 0 = normal priority Y es 1 = high priority Y es bit 8: 0 = clea r message a fter a delay Y es 1 = wait for user [...]

White Paper T310/T312 35 January 2003 GET INPUT Genera l: No. of hidde n input cha racters 20 bit 1: 0 = digits (0-9, *, # and +) only 1 = alphabet set Ye s Ye s bit 2: 0 = SMS default alphabet 1 = UCS2 alphabet Ye s Ye s bit 3: 0 = ME may echo user input o n the display 1 = user input not to be revealed in any way (se e note) Ye s Ye s bit 4: 0 = [...]

White Paper T310/T312 36 January 2003 REFRESH General: The reset option requests the user to wait while the phone r estarts Ye s '00' =SIM Initialization and Full File Change Notification Ye s '01' = File Chan ge Notification Y es '02' = SIM Initialization and File Change Notification Ye s '03' = SIM Initiali[...]

White Paper T310/T312 37 January 2003 User interaction with SIM A T DISPLA Y TEXT T ext of up to 240 charac ters (80 UCS coded) is supported. T ext clearing times • 10-20 seconds. 60- second time-out limit for the user to clea r the text. ‘ Key ’ r esponses •‘ Long NO ’ – Proactive session terminated by user . •‘ NO ’ – Backwa[...]

White Paper T310/T312 38 January 2003 •‘ NO ’ – Backward move in pr oactive ses sion. •‘ YES ’ – Command performed successfu lly . REFRESH When a refresh command is execute d by the phone, it displays the mes sage “ Please wait ” and then r estarts . SELECT ITEM Scroll to highl ight item for selection. The maximum number of item[...]

White Paper T310/T312 39 January 2003 Security and M-commer ce technical data Featur e Support in the T3 10/T312 for m-commer ce Dual-slot No Associated with a STK card, allowing ISO B0' ba nk card payments If separate card, no Associated with a STK card, allowing EMV bank card payments If separate card, no Certified by the "GIE Carte Ban[...]

White Paper T310/T312 40 January 2003 T erminology and abbr eviations 3GPP 3rd Generation Partne rship Project. AMR Adaptive Multi Rate. Au dio format for spee ch sounds. API Application Pr ogramming Int erface. ASP Active Server Pa ge. Server te chnology tha t generates web pages dynamically . Bear er The method fo r accessing W AP fr om the phone[...]

White Paper T310/T312 41 January 2003 Gateway A WAP Gateway typically includes the following functions: • A Prot ocol Gateway – the protocol gate way translates requests from the WAP pr otocol stack to the WWW pr otoco l stack (HTTP and TCP/IP). • Content Encode rs and Decoders – th e conten t encoders tra nslate W eb content into compac t [...]

White Paper T310/T312 42 January 2003 PIM Personal Inform ation Manage ment. SMS-C Service Centre (for SMS). Service pr ovider A company th at provid es services and subscriptions to mo bile phone users. SI Service Indication . SL Service Loading. SIM card Subscriber Iden tity Module car d – a card that must be inserted in any GSM-based mobile ph[...]

White Paper T310/T312 43 January 2003 WTLS Wireless T rans port Layer Sec urity . WWW W orl d Wide W eb. XML Extensible Markup Lan guage. XHTML Extensible HyperT ext Markup Lan guage. Related information Documents • The T310/T312 Use r ’ s guide Links • http://www .SonyEricsson. com/ • http://wap.S onyEricsson.c om/ • http://www .Ericsson[...]

White Paper T310/T312 44 January 2003 T echnical specifications The consumer pack includes: • Mobile Phone T3 10/T312 • Standard Battery BST -22 (700 mAh, li-ion) • Standard Char ger , CST -13 • User ’ s guide, including battery information • Accessory leaflet • Service and Support leaflet • SAR Leaflet[...]

White Paper T310/T312 45 January 2003 General technical data Exterior description Produc t name T310/T312 SAR measurements: figures European/Asian markets: SAR 10g max value, phone: 0.80 W/ kg Australian market: SAR 1g ma x value, phone: 1.20 W/kg American (FCC ) markets: SAR 1g ma x value PCS-band, phone: 0.45 W/kg American (FCC ) markets: SAR 1g [...]

White Paper T310/T312 46 January 2003 Display T ype: graphical Resolution: 101 pixels wide, 80 pixels high Size, viewing: 34 x 28 millimetres, 101 x 80 pixels Size, used: 30.3 x 24 millimetres, 101 x 80 pixels T echnology: LCD, 256 colours Colours displa yed together : 256 colours Size (lines): up t o 8 depending on font size Refr esh rate: 70 Hz B[...]

White Paper T310/T312 47 January 2003 Ambient temperatur es Supported Man-Machine Interface (MMI) languages Depending on software in the phone, th ese languages are supported: Albanian (SQ), Arabic (AR), Bulgarian (BG), Chinese Simplified (ZS), Chinese T raditional (ZC) (merger of Chinese T raditional H ong Kong (ZH), and Chinese T raditional T aiw[...]

White Paper T310/T312 48 January 2003 T alk, standby and charging times Games API features Dimension V alue in GSM 900 Standard Battery (LiPolymer) BST -22 (700 mAh li-ion) T alk time up to 11 hours Standby time up to 400 hours (pa ging rate 9, 1 neighbour p resent) Charging time 2 hours Name T ype of game Interactive V ibration Deep Abyss Platform[...]

White Paper T310/T312 49 January 2003 Backlight on/off Y es Full colour support Y es Certification control of games Y es T rue sandbox technology Y es T rue file s upport Y es Sprite detection collision Y es[...]

White Paper T310/T312 50 January 2003 Speech coding Cell br oadcast service Dimension Full rate Enhanced full rate T ype RPE/LPC with L TP ACELP Bit rate 13.0 kbps 12.2 kbps Frame durat ion 20 ms 20 ms Block length 260 bits 244 bits Class 1 bits 1 82 bits Class 2 bits 78 bits Featur e Support in the T3 10/T312 User notifica tion of the reception of[...]

White Paper T310/T312 51 January 2003 Short Messaging Service Featur e Support in t he T310/T312 SMS Center Number It is possible to store the SMS Center Number . Pictures It is possible to inser t a picture/an icon into the tex t message. EMS compliant mobile handsets will be able to see the pic ture correctly . Input methods Predictive text input[...]

White Paper T310/T312 52 January 2003 reply to the sender Y es (only to the se nder , not to all or part of the message recipients) forward the message Y es know the r emaining capacity storag e Y es Supported ways f or repl ying to a re ceived SMS: via SMS Y es via phone ca ll (set up a call to the n umber contained in th e message bo dy) Ye s via[...]

White Paper T310/T312 53 January 2003 Enhanced Messaging Service Featur e Support in the T310/T312 Level of comp liance supported by t he handset regar ding the specifications described in release 4. Enhanced Messagin g Service (EMS) acco rding to the standar d 3GPP TS 23.040 v4 .3.0, with the additio n of the ODI feature from 3GPP TS 23.040 v5.0. [...]

White Paper T310/T312 54 January 2003 Pictur e sizes 16 x 16 pixels, 32 x 32 pixels, variable size r eceipts in black and white. Pictur es It is possible to: • send and receive pictures via EMS. • crea te pictur es on W eb/WAP portal s. • download pict ures f rom W eb/W AP portals. • receive pictures in enhanced messages origina ted by serv[...]

White Paper T310/T312 55 January 2003 Multimedia Messaging Service Featur e Support in the T3 10/T312 MMS/CSD parameters and MMS/GPRS parameters placeme nt MMS is bound to a WAP pr ofile. A WAP pr ofile is bound to a Data Acco unt. A Data Account conta ins either CSD parameters or GPRS parameters. Possibility to pre-configure the MMS parameters in [...]

White Paper T310/T312 56 January 2003 Possibility for sent messages to be memorized into a folder in handset memory Ye s Actions tha t the user can perform af ter message notific ation: retrieve the message immediately defer message r etrieval rej ec t m es s ag e Actions tha t the user can perform af ter message retrieval: reply to the sender of t[...]

White Paper T310/T312 57 January 2003 MMS User Agent will r eport problems to user in case of: message not se nt causes n o user subscr iption to service, if included in ResponseT ext (please see WAP209) message not sent ca uses requ ired func tionality not supported by MMS Relay/Server , if included in ResponeT ext (please see WAP209) message not [...]

White Paper T310/T312 58 January 2003 Instant messaging/ Chat Performance and technical characteristics Featur e Support in the T3 10/T312 Support of instant messagin g No Chat application Y es, SMS as the bearer . Dimension GSM 900/E- GSM 900 GSM 1800 GSM 1900 Freq uency range TX: 880 – 914 MHz RX: 925 – 959 MHz TX: 1710 – 1785 RX: 1805 – [...]

White Paper T310/T312 59 January 2003 W AP br owser technical data Featur e Support in the T3 10/T312 W AP browser Back to previous page Y es Bearer type GPRS (IP) Y es Bearer type GSM Data (IP) Y es, HSCSD, ISDN and analo g Bookmarks Y es, up to 2 5 named bo okmarks for ea sy access to frequently visited pages Bookmark Export/Impor t Y es, c an be[...]

White Paper T310/T312 60 January 2003 *) When creating WML application s, it is recommended that you always save the page contents as UTF8 , and that this is clear ly indicated in the pa ges before publishing. This ensures that the contents of the applicatio n can be vie wed, regardless of charac ter sets used in gatewa ys and the phone. All char a[...]

White Paper T310/T312 61 January 2003 W AP operator technical data Feature Support in the T310/T3 12 for WAP WAP Br owser V ersion 2.0 baseline, x HTML mobile profile HTML xHTML, mobile profile WAP Pr ovisioning T otal Param eter sets 5 Parameter set list Name Startpage IP settings: CSD phone no. , CSD Data rate , CSD dial typ e GPRS APN, passwor d[...]

White Paper T310/T312 62 January 2003 Interface (if empty) An Install question is asked with th e code, if ava ilable. The user h as to choose if a new WAP profile shall be created or an existing profile shall be replaced. Re-provisioning (Set 1 filled) As above Interface (Set 1 filled) As above Carrier reset/pr ovisioning Y es, but not if the s et[...]

White Paper T310/T312 63 January 2003 SI menu structure accessability WAP services, Push inbox SL reception warning Th e user can make a choice if a dialog is wanted or not before loading the SL. WAP services/options/common/Push access/prompt SIA re ception warning Y es Cache size limitations If the inbox is full and a new push is r eceived, the ol[...]

White Paper T310/T312 64 January 2003 Download Fun fr om Openwave No Other download co ntent over WAP Y es. Content limit ed to 3 KB is dow nloaded without using SAR Featur es Download application/product memory check Ye s Downloaded object solutio n Y es. The user is ask ed if the content is to be saved. DRM download support Y es, level 1. UAP ind[...]

White Paper T310/T312 65 January 2003 Elements Number of display lines fo r a WAP connection 4 to 7 plus Title, depe nding on t he selected font size. Pop-up menus Y es. Single selec t list to conserve sp ace. Radio buttons Y es. Single select list t o conserve spac e. Check boxes Y es. Boolean sele ction. Push buttons N o Horizontal rules Y es. Se[...]

White Paper T310/T312 66 January 2003 GPRS technical data Dimension Support in the T310/T3 12 Compatible GPRS and SMG specifications ETSI R97 SMG 31 bis Data rates Multi slot class 4 supported (3+1) CS-1, CS-2, CS-3, CS-4 9,050 bps, 13,400 bps, 15,600 bps, 21,4 00 bps supported (net work- dependent) Indicator o f attachment to the GPRS service Y es[...]

White Paper T310/T312 67 January 2003 Support of comp ression algorithms No Support of the Qo S modification pr ocedure Y es, when initia ted by the network (not by the hand set) Interfaces to exter nal devices supported by the phone and available for a GPRS link IrDA, A T commands. IrDA, Datarate = SIR & MIR, max 115,2 kbps Downlink data rate [...]

White Paper T310/T312 68 January 2003 A T co mmands supported A T+C GDCONT - DEFINE PDP CONTEXT A T+C GQREQ - Quality of Service Profile (REQUESTED) A T+C GQMIN - Quality of Service Profile (Minimum Acceptable) A T+C GA TT - P ACKET DOMAIN SERVICE A TT ACH OR DET ACH A T+CGACT - PDP CONTEXT ACTIV A TE OR DEACTIV A TE AT + C G D ATA - E N T Dimensio[...]

White Paper T310/T312 69 January 2003 Built-in GSM data modem technical data E-mail client technical data Dimension Support in theT310/T 312 Standards A T comman ds industry stan dard, ETSI 07.05 and 07.07 and 07. 10, V .25 ter command set supported Data rates, Circuit Switched (CSD) Download data rate Up to 19,200 or 28,80 0 bps (depending on base[...]

White Paper T310/T312 70 January 2003 Character sets * US ASCII (All variants) ISO8859-1 (All variant s) ISO8859-2 ( All variants e xcept China, T aiw an & Hong Kon g) ISO8859-5 ( All variants e xcept China, T aiw an & Hong Kon g) ISO8859-10 (All variants except China, T aiwan & Hong Kong) KOI8-R (All varian ts except Ch ina, T aiwan &a[...]

White Paper T310/T312 71 January 2003 USSD technical data Image format technical data Images – downloading to phone Featur e Support in the T3 10/T312 USSD support GSM Phase 1/ 2 (Cr oss-phase compatibility). GPRS behaviour according to class B Mode support -mode MMI-mode supported. No application mode support (not needed for an y application). M[...]

White Paper T310/T312 72 January 2003 MMS template Proprietary TPL Limited by the memory Ye s N o Ye s N o Animations Animated GIF Limited by the memory Ye s Ye s Ye s , 1 ) Ye s Themes GIF Proprietary THM Limited by the memory Ye s Ye s Ye s Ye s Scre ensaver Animated GIF Limited by the memory Ye s Ye s Ye s Ye s Exceptions: EMS icons: WBMP max Wi[...]

White Paper T310/T312 73 January 2003 Index Numerics 3GPP ....................................................... 15 A Abbreviations ............................................. 40 Acknowledgemen t ...................................... 43 Ambient temperatur es ................................. 47 Architecture .....................................[...]

White Paper T310/T312 74 January 2003 P Performance .............................................. 58 Performance and technical characteristics ....... 58 Picture phone boo k ....................................... 9 Polyphonic ring signals .................................. 5 Predictive Text Input ..................................... 8 Preface ..[...]