[cisco-voip] Using g729r8 instead of g729br8

Selt selt9 at pexim.co.yu
Wed Nov 22 09:51:50 EST 2006


There is also some bug related to 6608... and workaround is which you 
already have done (strip annex B).
http://www.ciscotaccc.com/kaidara-advisor/voice/showcase?case=K07922481

also, there is some silence suppression parameters in CCM which should be 
diasabled...



----- Original Message ----- 
From: "Erick Bergquist" <erickbe at yahoo.com>
To: "ciscovoip" <cisco-voip at puck.nether.net>
Sent: Wednesday, November 22, 2006 2:04 PM
Subject: [cisco-voip] Using g729r8 instead of g729br8


> Hi,  I am trying to get calls coming in a remote MGCP gateway to use 
> g729r8 across WAN instead of g729br8 when a 6608 MTP Transcoder is being 
> used. The regions in CCM are set to use G729 between them, and I have 
> tried setting the CCM service parameter to strip G729 Annex B from codec 
> to true and reset the MGCP gateway and 6608 to no effect.  Silence 
> suppression parameters are set to false also.
>
> All the documentation on the 6608 transcoding I read saids G711, G729, or 
> G723 but it doesn't mention which G729 flavors it supports. The documents 
> for IOS transcoders list the different flavors, but there is also codec 
> configuration you can do on the router/gateway and tell it which to use 
> unlike the 6608.
>
> Any know how to kill the VAD / silence suppression on g729 with this 
> setup?
>
> Thanks, Erick
>
>
>
>
>
>
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