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SIP integration Problems

iec1088407
Level 1
Level 1

‎02-11-2008 05:22 PM - edited ‎03-15-2019 08:46 AM

I have a CUCM 4.1 that I need to integrate with a VoiceBlue (SIP Trunk), but I'm having problems when it tries to call to a different region. All the calls with the regions that use G711 function normaly, but when I try to make a call to a region with G729 the call is dropped.

Does any one have an idea of how I can make this function?

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mike.reilly
Level 1
Level 1

‎02-13-2008 06:39 AM

What are you using as a transcoder? You need to have a transcoder available in the media resource list in order to transcode from 711 to 729

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noxkrugger
Level 1
Level 1
In response to mike.reilly

‎02-13-2008 09:10 AM

u need to allow g.711 for MTP in your SIP trunk as CM 5.0 and below doesn't support G.729 for "INVITE with SDP".

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