Version 7.2 9 Mediant 1000B Gateway & E-SBC
User's Manual Contents
19.4 Configuring IP Profiles ......................................................................................... 393
19.5 Configuring Tel Profile .......................................................................................... 428
Gateway Application .............................................................................................441
20 Introduction ..................................................................................................... 443
20.1 Call Processing Summary .................................................................................... 443
21 Digital PSTN ..................................................................................................... 447
21.1 Configuring Trunk Settings ................................................................................... 447
21.2 TDM and Timing ................................................................................................... 449
21.2.1 TDM Bus Clock Settings ........................................................................................449
21.2.1.1 Recovering Clock from PSTN Line Interface ........................................ 449
21.2.1.2 Configuring Internal Clock as Clock Source ......................................... 450
21.3 Configuring CAS State Machines ......................................................................... 451
21.4 Configuring Digital Gateway Parameters ............................................................. 453
21.5 Tunneling Applications ......................................................................................... 454
21.5.1 TDM Tunneling ......................................................................................................454
21.5.1.1 DSP Pattern Detector ............................................................................ 457
21.5.2 QSIG Tunneling .....................................................................................................457
21.6 ISDN Non-Facility Associated Signaling (NFAS) ................................................. 459
21.6.1 NFAS Interface ID ..................................................................................................459
21.6.2 Working with DMS-100 Switches ..........................................................................460
21.6.3 Creating an NFAS-Related Trunk Configuration ...................................................461
21.6.4 Performing Manual D-Channel Switchover in NFAS Group ..................................461
21.7 ISDN Overlap Dialing ........................................................................................... 461
21.7.1 Collecting ISDN Digits and Sending Complete Number in SIP .............................462
21.7.2 Interworking ISDN Overlap Dialing with SIP According to RFC 3578 ...................463
21.8 Redirect Number and Calling Name (Display) ..................................................... 464
22 Trunk Groups .................................................................................................. 465
22.1 Configuring Trunk Groups .................................................................................... 465
22.2 Configuring Trunk Group Settings Table .............................................................. 467
23 Routing ............................................................................................................. 475
23.1 Configuring Tel-to-IP Routing Rules .................................................................... 475
23.2 Configuring IP-to-Tel Routing Rules .................................................................... 484
23.3 Configuring a Gateway Routing Policy Rule ........................................................ 489
23.4 Alternative Routing for Tel-to-IP Calls .................................................................. 491
23.4.1 IP Destinations Connectivity Feature ....................................................................491
23.4.2 Alternative Routing Based on IP Connectivity .......................................................492
23.4.3 Alternative Routing Based on SIP Responses ......................................................494
23.4.4 Alternative Routing upon SIP 3xx with Multiple Contacts ......................................497
23.4.5 PSTN Fallback .......................................................................................................498
23.5 Alternative Routing for IP-to-Tel Calls .................................................................. 498
23.5.1 Alternative Routing to Trunk upon Q.931 Call Release Cause Code ...................498
23.5.2 Alternative Routing to an IP Destination upon a Busy Trunk ................................500
23.5.3 Alternative Routing upon ISDN Disconnect ...........................................................502
23.5.4 Alternative Routing from FXO to IP .......................................................................502
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