User's Manual Contents
Version 6.8 9 Mediant 500L MSBR
27.5.4 PSTN Fallback .......................................................................................................423
27.6 Alternative Routing for IP-to-Tel Calls ................................................................. 424
27.6.1 Alternative Routing to Trunk upon Q.931 Call Release Cause Code ...................424
27.6.2 Alternative Routing to an IP Destination upon a Busy Trunk ................................425
27.6.3 Alternative Routing upon ISDN Disconnect ...........................................................427
28 Configuring DTMF and Dialing ....................................................................... 429
28.1 Dialing Plan Features ......................................................................................... 430
28.1.1 Digit Mapping .........................................................................................................430
28.1.2 External Dial Plan File ...........................................................................................432
29 Configuring Supplementary Services ........................................................... 433
29.1 Call Hold and Retrieve ........................................................................................ 435
29.2 Call Pickup ......................................................................................................... 437
29.3 BRI Suspend and Resume ................................................................................. 437
29.4 Consultation Feature .......................................................................................... 438
29.5 Call Transfer ....................................................................................................... 438
29.5.1 Consultation Call Transfer .....................................................................................438
29.5.2 Consultation Transfer for QSIG Path Replacement ..............................................439
29.5.3 Blind Call Transfer .................................................................................................439
29.6 Call Forward ....................................................................................................... 440
29.6.1 Call Forward Reminder Ring .................................................................................441
29.6.2 Call Forward Reminder (Off-Hook) Special Dial Tone ..........................................441
29.6.3 Call Forward Reminder Dial Tone (Off-Hook) upon Spanish SIP Alert-Info ..........442
29.6.4 BRI Call Forwarding ...............................................................................................442
29.7 Call Waiting ........................................................................................................ 443
29.8 Message Waiting Indication ................................................................................ 444
29.9 Caller ID ............................................................................................................. 447
29.9.1 Caller ID Detection / Generation on the Tel Side ..................................................447
29.9.2 Debugging a Caller ID Detection on FXO ..............................................................448
29.9.3 Caller ID on the IP Side .........................................................................................448
29.10 Three-Way Conferencing.................................................................................... 449
29.11 Emergency E911 Phone Number Services ......................................................... 452
29.11.1 FXS Device Emulating PSAP using DID Loop-Start Lines ....................................452
29.11.2 FXO Device Interworking SIP E911 Calls from Service Provider's IP Network to
PSAP DID Lines .................................................................................................................455
29.11.3 Pre-empting Existing Calls for E911 IP-to-Tel Calls ..............................................458
29.11.4 Enhanced 9-1-1 Support for Lync Server 2010 .....................................................459
29.11.4.1 About E9-1-1 Services ...........................................................................459
29.11.4.2 Microsoft Lync Server 2010 and E9-1-1 .................................................460
29.11.4.3 AudioCodes ELIN Gateway for Lync Server 2010 E9-1-1 Calls to PSTN
464
29.11.4.4 Configuring AudioCodes ELIN Gateway ................................................469
29.12 Multilevel Precedence and Preemption ............................................................... 472
29.12.1 MLPP Preemption Events in SIP Reason Header ................................................474
29.12.2 Precedence Ring Tone ..........................................................................................475
29.13 Denial of Collect Calls ........................................................................................ 475
29.14 Configuring Multi-Line Extensions and Supplementary Services ........................ 476
29.15 Detecting Collect Calls ....................................................................................... 479
29.16 Advice of Charge Services for Euro ISDN .......................................................... 479
29.17 Configuring Charge Codes ................................................................................. 481
29.18 Configuring Voice Mail ........................................................................................ 482
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