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Intel IP Media Server manual

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Table of contents for the manual

  • Page 1

    IP Media Server (Global Call) Demo Guide A ugust 2005 05-2065-00 3[...]

  • Page 2

    IP Media Server (Global Call) Demo Guide – August 2005 INFORMA TION IN THIS DO CUMENT IS PRO VIDED IN CONNECTION WITH INTEL® PRODUCTS . NO LICENSE, EXPRESS OR IMPLIED , BY EST OPPEL OR OT HERWISE, T O ANY INTELLECTU AL PROPER TY RIGHTS IS GRANTED BY THIS DOCUMENT . EXCEP T AS PRO VIDED IN INTEL'S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUC[...]

  • Page 3

    IP Media Server (Global Call) Demo Guide – August 2005 3 Contents Revision H istory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 About This Publication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1[...]

  • Page 4

    4 IP Media Server (Global Call) Demo Guide – August 2005 Contents Figures 1 Demo Voice M enu Flowchar t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 2 IP Media Ser ver (Global Call) Demo Architect ure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 3 EventRouter [...]

  • Page 5

    IP Media Server (Global Call) Demo Guide – August 2005 5 Contents Ta b l e s 1 Quality of Se rvice Parame ter Defaults fo r DM/IP Serie s Boards . . . . . . . . . . . . . . . . . . . . . . . . 16 2 Quality of Se rvice Paramete r Defaults fo r IPT Series Board s . . . . . . . . . . . . . . . . . . . . . . . . . . 17 3 Command Line Switches . . . .[...]

  • Page 6

    6 IP Media Server (Global Call) Demo Guide – August 2005 Contents[...]

  • Page 7

    IP Media Server (Global Call) Demo Guide — August 2005 7 Re vision Histor y This re vision history summarizes the changes made in each published v ersion of this document. Document No. Publication Date Description of Revisions 05-2065-003 A ugust 2005 Globally added Linux-s pecific filenames, paths, and commands . Globally updated paths to use en[...]

  • Page 8

    8 IP Media Server (Global Call) Demo Guid e — August 2005 Revisi on History[...]

  • Page 9

    IP Media Server (Global Call) Demo Guide — August 2005 9 About This Pub lication This section describes the purpose of the guide, th e intended audience, and provides references to other documents that may be useful to the user . • Purpose • Intended Audience • How to Use This Publication • Related Information Purpose This guide provides [...]

  • Page 10

    10 IP Media Server (Global Call) Demo Guid e — August 2005 About This Public ation • Chapter 2, “System Requirements” outlines the hardware and software required t o run the demo • Chapter 3, “Preparing to Run the Demo” describ es the preparations required before running the demo • Chapter 4, “Running the Demo” describes ho w to[...]

  • Page 11

    IP Media Server (Global Call) Demo Guide — August 2005 11 1 1 . Demo Description This chapter describes the basic features of the IP Media Serv er (Glo bal Call) demo. The IP Media Server (Glob al Call) demo i s an object-oriented host -b ased application that demonstrates using the Global Call API to buil d an IP media server , providing v oice [...]

  • Page 12

    12 IP Media Server (Global Call) Demo Guid e — August 2005 Demo Description[...]

  • Page 13

    IP Media Server (Global Call) Demo Guide — August 2005 13 2 2 . System Requirements This chapter discusses the system requirements for runnin g the IP Media Server (Global Call) demo. It contai ns the following topics: • Hardware Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 • [...]

  • Page 14

    14 IP Media Server (Global Call) Demo Guid e — August 2005 System Requireme nts[...]

  • Page 15

    IP Media Server (Global Call) Demo Guide — August 2005 15 3 3 . Preparing to Run the Demo This chapter discusses the preparat ions necessary to run the IP Media Server (Global Call) de mo. It provides information about the following topics: • Editing Configuration Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 16

    16 IP Media Server (Global Call) Demo Guid e — August 2005 Preparing to Run the Demo • InBand – usually used with G.711 coders • RFC2833 Capability Describes the transmit and recei ve coders. See the Global Call IP T echnology Guide for specific information about coder suppor t. The parameters are as follows: • TxT ype – the transmit vo[...]

  • Page 17

    IP Media Server (Global Call) Demo Guide — August 2005 17 Preparing to Run th e Demo Sample Confi guration File ############## ############## ########### ############## ############## ############## ############# ## # IP Protocol : # The IP Pr otocol used fo r opening the IP Line de vices, values: H323, SIP, bo th # # DTMFmode # possib le options[...]

  • Page 18

    18 IP Media Server (Global Call) Demo Guid e — August 2005 Preparing to Run the Demo # TxVAD = 0 # RxTyp e = g711Alaw # RxFra mesPerPkt = 30 # RxVAD = 0 TxType = g711Mulaw TxFram esPerPkt = 20 TxVAD = 0 RxType = g711Mulaw RxFram esPerPkt = 20 RxVAD = 0 # TxTyp e = t38UDPFax } MediaAlar mLostPackets { Thres hold = 2 0 # Thre shold value Debou nceO[...]

  • Page 19

    IP Media Server (Global Call) Demo Guide — August 2005 19 Preparing to Run th e Demo Linux T o compile the IP Media Server (Global Call) demo on a Linux system, use gcc version 3.2.3. T o compile the entire proj ect, go to the directory $(INTEL_DIALOGIC_DIR)/demos/IPMediaServer and issue the commands: make clean make T o compile an individual mod[...]

  • Page 20

    20 IP Media Server (Global Call) Demo Guid e — August 2005 Preparing to Run the Demo[...]

  • Page 21

    IP Media Server (Global Call) Demo Guide — August 2005 21 4 4 . Running the Demo This chapter discusses how to run the IP Medi a Server (Global Call) demo. It contai ns the following topics: • Starting the Demo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 • Demo Options . . . . .[...]

  • Page 22

    22 IP Media Server (Global Call) Demo Guid e — August 2005 Running the Demo Example The follo wing example sho ws how to la unch the demo from a command line with options: IPMediaServer -n64 -cmyconfig.cfg -ea This command launches the demo with 64 channels, using th e myconfig.cfg configuration f ile and A-law encoding. 4.3 Using the Demo This s[...]

  • Page 23

    IP Media Server (Global Call) Demo Guide — August 2005 23 Running the Demo V oice Mail Menu [V oicemail_Menu] 1 - Record Message 2 - Listen to message from a mailbox * - Quit Send Message Prompt [SendMsg_Men u] Enter Mailbox Number - betw een 101 - 299 * - Quit Start Record Pr ompt [Record_Menu] 2 - Start Record Press 2 at end of message to stop [...]

  • Page 24

    24 IP Media Server (Global Call) Demo Guid e — August 2005 Running the Demo Figure 1. Demo V oice Menu Flo wchart Main Menu Select one of the follo wing: 1 - V oice Mail 2 - Fax 4 - CSP * - Quit V oice Mail Prompt 1 - Record Message 2 - Listen to message from a mailbox * - Quit 1 Listen Message Prompt Enter Mailbox Number (Message is play ed) * -[...]

  • Page 25

    IP Media Server (Global Call) Demo Guide — August 2005 25 Running the Demo 4.4 Stopping the Demo The IP Media Server (Glob al Call) demo runs until it is terminated. Press “q” or “Q” to terminate the demo application.[...]

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    26 IP Media Server (Global Call) Demo Guid e — August 2005 Running the Demo[...]

  • Page 27

    IP Media Server (Global Call) Demo Guide — August 2005 27 5 5 . Demo Details This chapter discusses the IP Medi a Server (Global Call) demo in more detail. It contains the following topics: • Files Used b y the Demo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 • Programming Model . . . .[...]

  • Page 28

    28 IP Media Server (Global Call) Demo Guid e — August 2005 Demo Details In W indo ws, the IP Media Server (Global Call) de mo f iles listed in T able 6 are located within: $(INTEL_DI ALOGIC_DIR)Demos IPMediaServerMo dules In Linux, the IP Media Server (Global Call) demo files listed in T able 6 are located with in: $(INTEL_DI ALOGIC_DIR)/ de m[...]

  • Page 29

    IP Media Server (Global Call) Demo Guide — August 2005 29 Demo Details 5.1.2 PDL Files In W indows, the PDL f iles listed in T abl e 7 are located within the directory: $(INTEL_DIALOGIC_DIR)DemosSharedpd l_win In Linux, the PDL files listed in T abl e 7 are located within the directory: $(INTEL_DIALOGIC_DIR)/demos/Shared/pd l_Linux IPModule CI[...]

  • Page 30

    30 IP Media Server (Global Call) Demo Guid e — August 2005 Demo Details 5.2 Pr ogramming Model This section describes the IP Media Server (Globa l Call) demo architecture in the following topics: • Module Structure • EventRouter • Interfaces • Classes 5.2.1 Module Structure The IP Media Server (Global Call) demo uses a modular architectu [...]

  • Page 31

    IP Media Server (Global Call) Demo Guide — August 2005 31 Demo Details Figure 2. IP M edia Server (G lobal Call) Demo Architecture Each module is co mpos ed of four elements: • Board • Device • State Machine (call control) • Wrapper The Wrapper acts lik e a manager , recei ving re quests from the EventRouter and distrib uting the request [...]

  • Page 32

    32 IP Media Server (Global Call) Demo Guid e — August 2005 Demo Details Figure 3. EventRouter 5.2.3 Interfaces The modular architecture implemen ts a unif ied interface that allo ws replacement of modules by including new header f iles and adjusting routin g statements. A module is treated by the EventRouter as a block box. It has t hree types of[...]

  • Page 33

    IP Media Server (Global Call) Demo Guide — August 2005 33 Demo Details • GetNumOfDevices( ) – returns the number of devices a v ailable to the application • GetDeviceHandle( ) – returns a device handle • GetDeviceXmitSlot ( ) – returns a device transmit timeslot • SetDeviceReceiveSlot( ) – sets a device recei ve timeslot Runtime ?[...]

  • Page 34

    34 IP Media Server (Global Call) Demo Guid e — August 2005 Demo Details T able 9. IP Module Classes Category Class Name Interface Module CIPModule • Interacts with CIPBoard and CIPDevice . • Expor ts IP module functions to CEventRouter . Note: The public functions in this class can be accessed by classes outside the IP module. Init( ) • Sta[...]

  • Page 35

    IP Media Server (Global Call) Demo Guide — August 2005 35 Demo Details Board CIPTBoard • Interacts with the Global Call library to handle IP vir tual boards Note: The public function in this class should only be accessed by classes inside the IP module. Init( ) • Opens IPT (vir tual) board and sets board parameters Exit( ) • Closes IPT (vir[...]

  • Page 36

    36 IP Media Server (Global Call) Demo Guid e — August 2005 Demo Details Device CIPDevice • Handles IP device oper ations, such as making/dropping call s, sending H.323 messages, making timeslot connections, etc. • Holds CIPStateMachine (or call control) Note: The public functions in this class should only be accessed by classes inside the IP [...]

  • Page 37

    IP Media Server (Global Call) Demo Guide — August 2005 37 Demo Details T able 10. V oice Module Classes Category Class Name Interface Module CV oiceModule • Interacts with CV oiceBoard and CV oiceDe vice. • Expor ts V oice mod ule functions to CEventRouter . Note: The public functions in this class can be accessed by classes outside the Voice[...]

  • Page 38

    38 IP Media Server (Global Call) Demo Guid e — August 2005 Demo Details Device CV o iceDevice • Handles voice de vice operations, such as play ing, recording, tone detection, and tone generation • Holds CV oiceStateMachine Note: The public functions in this class should only be accessed by classes inside the Voice module. Init( ) • Opens th[...]

  • Page 39

    IP Media Server (Global Call) Demo Guide — August 2005 39 Demo Details 5.3 Threads The IP Media Server (Global Call) demo operat es with two thr eads, as sho wn in Figure 4. Figure 4. IP M edia Server (G lobal Call) Demo Threads State Machine CV oiceStateMachine • Handles voice e vents and maintains voice state machine(s) Note: The public funct[...]

  • Page 40

    40 IP Media Server (Global Call) Demo Guid e — August 2005 Demo Details The threads are created as follo ws: 1. The first (main) thread is created by the demo application to ge t the keyboard input. 2. The second thread is an SRL thread, created as a result of the demo application calling PDLsr_enblhdlr( ) . All Global Call ev ents are receiv ed [...]

  • Page 41

    IP Media Server (Global Call) Demo Guide — August 2005 41 Demo Details Figure 5. System Initialization Application Configuration Event Router 1. Parse .cfg file 2. Star t router V oice Module V oice Board V oice State Machine V oice De vice 7. Star t V oice Module 8. Star t V oice Board 9. Star t V oiceDevice 10. Star t V oice State Machine IP Mo[...]

  • Page 42

    42 IP Media Server (Global Call) Demo Guid e — August 2005 Demo Details 5.5 Event Handling This section describes how the IP Media Serv er (G lobal Cal l) demo handles events. It contains the following topics: • Event Mechanism • Handling Ke yboard Input Events • Handling SRL Events • Handling Application Exit Events • TSUsrEvent Struct[...]

  • Page 43

    IP Media Server (Global Call) Demo Guide — August 2005 43 Demo Details 5.5.5 TSUsrEvent Structure The TSUsrEvent structure is used by the demo m odules to return ev ent processing resul ts to the e vent router . The TSUserEvt structure is defi ned as follo ws: typedef struct { int event; TDeviceType destination; int lineDevice; long xmitSlot; lon[...]

  • Page 44

    44 IP Media Server (Global Call) Demo Guid e — August 2005 Demo Details[...]

  • Page 45

    IP Media Server (Global Call) Demo Guide — August 2005 45 Glossar y Codec: see COder/DECoder COder/DECoder: A circuit used to con vert analog voice data to digital and digital voice data to analog audio. Computer T elephony (CT): Adding computer intellig ence to the making, recei ving, and managing of telephone calls. DTMF: Dual-T one Multi-Frequ[...]

  • Page 46

    46 IP Media Server (Global Call) Demo Guid e — August 2005 International T elecommunications Union (ITU): An org anization established by the United Nations to set telecommunications stan dards, allocat e frequencies to various uses, and hold trade sho ws e very four years. Internet: An inter -network of networks int erconnected b y bridges or ro[...]

  • Page 47

    IP Media Server (Global Call) Demo Guide — August 2005 47 T1: A digital transm ission link with a capacity of 1.54 4 Mbps used in North America. T ypically channeled into 24 digital subscriber lev el zeros (DS0s), each capable of carry ing a single voice con versatio n or data stream. T1 uses two pairs of twisted pair wires. TCP: see T ransmissio[...]

  • Page 48

    48 IP Media Server (Global Call) Demo Guid e — August 2005[...]

  • Page 49

    IP Media Server (Global Call) Demo Guide — August 2005 49 Inde x A application classes 33 application exit eve nts 42 C CallbackHdlr( ) 42 CConfig( ) 40 CEventRouter( ) 40 ChannelNumber( ) 33 CheckAndConvertDigits( ) 39 classes 33 application classes 33 IP module classes 3 4 command-line switches 21 commands, keyboard 22 compiling and linking 18 [...]

  • Page 50

    50 IP Media Server (Global Call) Demo Guide — August 2005 O OnPlayComplete( ) 38 P ParseConfigFile( ) 33 PDL files 29 PDLSetApplicationExitPath( ) 42 PDLsr_enbhdlr( ) 42 PDLsr_enblhdlr( ) 40 Play( ) 38 ProcessEvent( ) 33 programming model 30 R Record( ) 38 requirements hardware 13 runtime commands, keyboard 22 S SetDeviceRec eiveSlot( ) 33 , 34 ,[...]