User`s manual

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SIP User's Manual 6 Document #: LTRT-83303

Mediant 1000 & Mediant 600

7.2.3

Supporting V.34 Faxes ......................................................................................... 404

7.2.3.1 Using Bypass Mechanism for V.34 Fax Transmission.......................... 404

7.2.3.2 Using Relay mode for both T.30 and V.34 faxes .................................. 405

7.2.4 Supporting V.152 Implementation ........................................................................ 405

7.3 FXO Operating Modes ......................................................................................... 406

7.3.1 IP-to-Telephone Calls ........................................................................................... 406

7.3.1.1 One-Stage Dialing................................................................................. 406

7.3.1.2 Two-Stage Dialing................................................................................. 408

7.3.1.3 Call Termination (Disconnect Supervision) on FXO Devices................ 408

7.3.1.4 DID Wink ............................................................................................... 409

7.3.2 Telephone-to-IP Calls ........................................................................................... 410

7.3.2.1 Automatic Dialing .................................................................................. 410

7.3.2.2 Collecting Digits Mode........................................................................... 411

7.3.2.3 Ring Detection Timeout......................................................................... 411

7.3.2.4 FXO Supplementary Services............................................................... 412

7.4 Event Notification using X-Detect Header............................................................412

7.5 RTP Multiplexing (ThroughPacket) ...................................................................... 414

7.6 Dynamic Jitter Buffer Operation ........................................................................... 414

7.7 Configuring Alternative Routing (Based on Connectivity and QoS) .....................415

7.7.1 Alternative Routing Mechanism............................................................................ 415

7.7.2 Determining the Availability of Destination IP Addresses..................................... 416

7.7.3 PSTN Fallback as a Special Case of Alternative Routing.................................... 416

7.7.4 Relevant Parameters ............................................................................................ 416

7.8 Mapping PSTN Release Cause to SIP Response ............................................... 416

7.9 Call Detail Record ................................................................................................417

7.10 Supported RADIUS Attributes..............................................................................419

7.11 Trunk-to-Trunk Routing Example ......................................................................... 421

7.12 Proxy or Registrar Registration Example .............................................................422

7.13 Configuration Examples ....................................................................................... 423

7.13.1 SIP Call Flow ........................................................................................................ 423

7.13.2 SIP Authentication Example ................................................................................. 426

7.13.3 Establishing a Call between Two Devices............................................................ 428

7.13.4 Remote PBX Extension Between FXO and FXS Devices.................................... 429

7.13.4.1 Dialing from Remote Extension (Phone at FXS)................................... 430

7.13.4.2 Dialing from PBX Line or PSTN ............................................................ 431

7.13.4.3 Message Waiting Indication for Remote Extensions............................. 431

7.13.4.4 Call Waiting for Remote Extensions...................................................... 432

7.13.4.5 FXS Gateway Configuration.................................................................. 432

7.13.4.6 FXO Gateway Configuration ................................................................. 433

7.13.5 SIP Trunking between Enterprise and ITSPs....................................................... 434

7.14 Working with Supplementary Services.................................................................437

7.14.1 Call Hold and Retrieve.......................................................................................... 437

7.14.2 Consultation / Alternate ........................................................................................ 438

7.14.3 Call Transfer ......................................................................................................... 438

7.14.4 Call Forward ......................................................................................................... 439

7.14.5 Call Waiting........................................................................................................... 440

7.14.6 Message Waiting Indication.................................................................................. 440

7.14.7 Caller ID................................................................................................................ 441

7.14.7.1 Caller ID Detection / Generation on the Tel Side.................................. 441

7.14.7.2 Debugging a Caller ID Detection on FXO ............................................. 442

7.14.7.3 Caller ID on the IP Side......................................................................... 443