User's Manual 10 Document #: LTRT-10532
Mediant 500L Gateway & E-SBC
24.4 Alternative Routing for Tel-to-IP Calls .................................................................. 525
24.4.1 IP Destinations Connectivity Feature ....................................................................525
24.4.2 Alternative Routing Based on IP Connectivity .......................................................526
24.4.3 Alternative Routing Based on SIP Responses ......................................................528
24.4.4 Alternative Routing upon SIP 3xx with Multiple Contacts ......................................531
24.4.5 PSTN Fallback .......................................................................................................532
24.5 Alternative Routing for IP-to-Tel Calls .................................................................. 532
24.5.1 Alternative Routing to Trunk upon Q.931 Call Release Cause Code ...................532
24.5.2 Alternative Routing to an IP Destination upon a Busy Trunk ................................534
24.5.3 Alternative Routing upon ISDN Disconnect ...........................................................536
24.5.4 Alternative Routing from FXO to IP .......................................................................536
25 Manipulation .................................................................................................... 537
25.1 Configuring Redirect Reasons ............................................................................. 537
25.2 Configuring Source/Destination Number Manipulation Rules .............................. 537
25.3 Manipulating Number Prefix ................................................................................. 543
25.4 SIP Calling Name Manipulations .......................................................................... 544
25.5 Configuring Redirect Number IP to Tel ................................................................ 547
25.6 Manipulating Redirected and Diverted Numbers for Call Diversion ..................... 552
25.7 Mapping NPI/TON to SIP Phone-Context ............................................................ 553
25.8 Configuring Release Cause Mapping .................................................................. 555
25.8.1 SIP-to-ISDN Release Cause Mapping ..................................................................555
25.8.1.1 Configuring SIP-to-ISDN Release Cause Mapping .............................. 555
25.8.1.2 Fixed Mapping of SIP Response to ISDN Release Reason ................. 556
25.8.2 ISDN-to-SIP Release Cause Mapping ..................................................................558
25.8.2.1 Configuring ISDN-to-SIP Release Cause Mapping .............................. 558
25.8.2.2 Fixed Mapping of ISDN Release Reason to SIP Response ................. 559
25.8.3 Configuring ISDN-to-ISDN Release Cause Mapping ............................................561
25.8.4 Reason Header ......................................................................................................563
25.9 Numbering Plans and Type of Number ................................................................ 563
26 Configuring DTMF and Dialing ....................................................................... 565
26.1 Dialing Plan Features ........................................................................................... 565
26.1.1 Digit Mapping .........................................................................................................565
26.1.2 External Dial Plan File ...........................................................................................566
26.2 Interworking Keypad DTMFs for SIP-to-ISDN Calls ............................................. 566
26.3 Configuring Hook Flash ........................................................................................ 568
27 Configuring Supplementary Services ........................................................... 569
27.1 Call Hold and Retrieve ......................................................................................... 569
27.2 Call Pickup ........................................................................................................... 571
27.3 BRI Suspend and Resume ................................................................................... 571
27.4 Consultation Feature ............................................................................................ 572
27.5 Call Transfer ......................................................................................................... 572
27.5.1 Consultation Call Transfer .....................................................................................572
27.5.2 Consultation Transfer for QSIG Path Replacement ..............................................573
27.5.3 Blind Call Transfer .................................................................................................573
27.6 Call Forward ......................................................................................................... 574
27.6.1 Enabling Call Forwarding.......................................................................................575
27.6.2 Call Forward Reminder Ring .................................................................................575
27.6.3 Call Forward Reminder (Off-Hook) Special Dial Tone ..........................................577
27.6.4 Call Forward Reminder Dial Tone (Off-Hook) upon Spanish SIP Alert-Info ..........577
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