AudioCodes Mediant 1000B User Manual page 8

21.2.2.1 Recovering Clock from PSTN Line Interface ........................................ 337
21.2.2.2 Configuring Internal Clock as Clock Source ......................................... 337
21.3 Configuring CAS State Machines ......................................................................... 338
21.4 Configuring Digital Gateway Parameters ............................................................. 340
21.5 Tunneling Applications ......................................................................................... 341
21.5.1 TDM Tunneling ......................................................................................................341
21.5.1.1 DSP Pattern Detector ............................................................................ 344
21.5.2 QSIG Tunneling .....................................................................................................344
21.6 ISDN Non-Facility Associated Signaling (NFAS) ................................................. 346
21.6.1 NFAS Interface ID ..................................................................................................346
21.6.2 Working with DMS-100 Switches ..........................................................................347
21.6.3 Creating an NFAS-Related Trunk Configuration ...................................................348
21.6.4 Performing Manual D-Channel Switchover in NFAS Group ..................................348
21.7 ISDN Overlap Dialing ........................................................................................... 348
21.7.1 Collecting ISDN Digits and Sending Complete Number in SIP .............................349
21.7.2 Interworking ISDN Overlap Dialing with SIP According to RFC 3578 ...................350
21.8 Redirect Number and Calling Name (Display) ..................................................... 350
22 Trunk Group .................................................................................................... 351
22.1 Configuring Trunk Group Table ............................................................................ 351
22.2 Configuring Trunk Group Settings ........................................................................ 353
23 Manipulation .................................................................................................... 359
23.1 Configuring General Settings ............................................................................... 359
23.2 Configuring Source/Destination Number Manipulation Rules .............................. 359
23.3 Manipulating Number Prefix ................................................................................. 365
23.4 SIP Calling Name Manipulations .......................................................................... 366
23.5 Configuring Redirect Number IP to Tel ................................................................ 369
23.6 Manipulating Redirected and Diverted Numbers for Call Diversion ..................... 373
23.7 Mapping NPI/TON to SIP Phone-Context ............................................................ 374
23.8 Configuring Release Cause Mapping .................................................................. 375
23.8.1 Fixed Mapping of SIP Response to ISDN Release Reason ..................................377
23.8.2 Fixed Mapping of ISDN Release Reason to SIP Response ..................................378
23.8.3 Reason Header ......................................................................................................381
23.8.4 Mapping PSTN Release Cause to SIP Response ................................................381
23.9 Numbering Plans and Type of Number ................................................................ 382
24 Routing ............................................................................................................. 383
24.1 Configuring General Routing Parameters ............................................................ 383
24.2 Configuring Outbound IP Routing Table .............................................................. 383
24.3 Configuring Inbound IP Routing Table ................................................................. 392
24.4 IP Destinations Connectivity Feature ................................................................... 396
24.5 Alternative Routing for Tel-to-IP Calls .................................................................. 398
24.5.1 Alternative Routing Based on IP Connectivity .......................................................398
24.5.2 Alternative Routing Based on SIP Responses ......................................................399
24.5.3 Alternative Routing upon SIP 3xx with Multiple Contacts ......................................402
24.5.4 PSTN Fallback .......................................................................................................402
24.6 Alternative Routing for IP-to-Tel Calls .................................................................. 403
24.6.1 Alternative Routing to Trunk upon Q.931 Call Release Cause Code ...................403
24.6.2 Alternative Routing to an IP Destination upon a Busy Trunk ................................404
24.6.3 Alternative Routing upon ISDN Disconnect ...........................................................406
User's Manual
Mediant 1000B Gateway & SBC
8 Document #: LTRT-27034