[cisco-voip] Using g729r8 instead of g729br8

[Selt]

i have both H323 and MGCP gateways... but I preffer H323 regarding codec 
issues...
still, CM settings for striping annex B are not fixed. It just means that 
annex B wont be used if any other option is available but if it is the only 
codec supported by one of end devices then it WILL BE used...
So, you never metioned your end devices... maybe those are the ones who does 
not support other codecs?


----- Original Message ----- 
From: "Erick Bergquist" <erickbe at yahoo.com>
To: "Selt" <selt9 at pexim.co.yu>; "ciscovoip" <cisco-voip at puck.nether.net>
Sent: Wednesday, November 22, 2006 9:26 PM
Subject: Re: [cisco-voip] Using g729r8 instead of g729br8


Yes. All that is set properly (see first email).

I was just wondering if anyone has seen this, or knows how to get the calls 
to use g729r8 instead of g729br8 because there doesn't appear to be any more 
knobs to set in CCM or on the 6608 to influence which to use. So maybe this 
is what you get with the 6608 perhaps. Just looking for a doc or something 
to back that up, because the multiple docs I have read on cisco.com say the 
6608 can do G729 for transcoding, but it doesn't mention which flavor. 
However, the docs on IOS transcoders mention which flavors of G729 are 
supported on various devices but the 6608 isn't IOS.

Is the workaround to thie scenario to make the remote site 2600XM series 
gateway, H.323 instead of MGCP so we can use the codec-class and specify 
whats allowed?

----- Original Message ----
From: Selt <selt9 at pexim.co.yu>
To: Erick Bergquist <erickbe at yahoo.com>; ciscovoip 
<cisco-voip at puck.nether.net>
Sent: Wednesday, November 22, 2006 8:51:50 AM
Subject: Re: [cisco-voip] Using g729r8 instead of g729br8

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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