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No call progress tone with TCL IVR


I have faced a problem getting call progress tone with TCL IVR 2 on 2801 gateway with 12.4 IOS. There is PSTN number handled by TCL script which does authentication, collects a number and routes it to UCM 8.6. Everything works well if I call IP phone DN but if I call a number routed to MGCP controlled gateway (2811) I can't hear call progress tone but dialed phone connected to PBX rings. To ensure it is IVR problem I removed application from incoming dial-peer and got CP tone. ISDN traces on treminating 2811 gateway with and without my application on originating 2801 gateway are identical, call flows with PI = 8.

I place the call with the following code:

  set callInfo(guid)         $dest_guids

  set callInfo(incomingGuid) $guid

  set callInfo(accountNum)   $account

  set callInfo(displayInfo) "DISA $account"

  set callInfo(originationNumPI) "presentation_allowed"

  leg setup $destination callInfo

I tried to place "leg progress -p 8" but nothing changed.

Have anybody faced such problem? Where should I look for passing inband CP tones?



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