User's Manual 10 Document #: LTRT-10632
Mediant 800B Gateway & E-SBC
23 Trunk Groups .................................................................................................. 517
23.1 Configuring Trunk Groups .................................................................................... 517
23.2 Configuring Trunk Group Settings Table .............................................................. 519
24 Routing ............................................................................................................. 525
24.1 Configuring Tel-to-IP Routing Rules .................................................................... 525
24.2 Configuring IP-to-Tel Routing Rules .................................................................... 534
24.3 Configuring a Gateway Routing Policy Rule ........................................................ 539
24.4 Alternative Routing for Tel-to-IP Calls .................................................................. 541
24.4.1 IP Destinations Connectivity Feature ....................................................................541
24.4.2 Alternative Routing Based on IP Connectivity .......................................................542
24.4.3 Alternative Routing Based on SIP Responses ......................................................544
24.4.4 Alternative Routing upon SIP 3xx with Multiple Contacts ......................................547
24.4.5 PSTN Fallback .......................................................................................................548
24.5 Alternative Routing for IP-to-Tel Calls .................................................................. 549
24.5.1 Alternative Routing to Trunk upon Q.931 Call Release Cause Code ...................549
24.5.2 Alternative Routing to an IP Destination upon a Busy Trunk ................................551
24.5.3 Alternative Routing upon ISDN Disconnect ...........................................................552
24.5.4 Alternative Routing from FXO to IP .......................................................................553
25 Manipulation .................................................................................................... 555
25.1 Configuring Redirect Reasons ............................................................................. 555
25.2 Configuring Source/Destination Number Manipulation Rules .............................. 555
25.3 Manipulating Number Prefix ................................................................................. 561
25.4 SIP Calling Name Manipulations .......................................................................... 562
25.5 Configuring Redirect Number IP to Tel ................................................................ 566
25.6 Manipulating Redirected and Diverted Numbers for Call Diversion ..................... 570
25.7 Mapping NPI/TON to SIP Phone-Context ............................................................ 571
25.8 Configuring Release Cause Mapping .................................................................. 573
25.8.1 SIP-to-ISDN Release Cause Mapping ..................................................................573
25.8.1.1 Configuring SIP-to-ISDN Release Cause Mapping .............................. 573
25.8.1.2 Fixed Mapping of SIP Response to ISDN Release Reason ................. 574
25.8.2 ISDN-to-SIP Release Cause Mapping ..................................................................576
25.8.2.1 Configuring ISDN-to-SIP Release Cause Mapping .............................. 576
25.8.2.2 Fixed Mapping of ISDN Release Reason to SIP Response ................. 577
25.8.3 Configuring ISDN-to-ISDN Release Cause Mapping ............................................579
25.8.4 Reason Header ......................................................................................................581
25.9 Numbering Plans and Type of Number ................................................................ 581
26 Configuring DTMF and Dialing ....................................................................... 583
26.1 Dialing Plan Features ........................................................................................... 583
26.1.1 Digit Mapping .........................................................................................................583
26.1.2 External Dial Plan File ...........................................................................................584
26.2 Interworking Keypad DTMFs for SIP-to-ISDN Calls ............................................. 584
26.3 Configuring Hook Flash ........................................................................................ 585
27 Configuring Supplementary Services ........................................................... 587
27.1 Call Hold and Retrieve ......................................................................................... 587
27.2 Call Pickup ........................................................................................................... 589
27.3 BRI Suspend and Resume ................................................................................... 589
27.4 Consultation Feature ............................................................................................ 590
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