[Asterisk-Users] problem with g729 and CME-Asterisk

[Greg Oliver]

Do a debug voip ccapi on the CME and look through it.  It will have
detailed codec negotiations, etc in it.

-Greg

On Wed, 2005-11-09 at 16:10 +0100, Andrea Riela wrote:
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> Hi folks,
> 
> my topology is:
> 
> CME (Cisco) -- [sip trunk] -- Asterisk -- [sip trunk] -- ISP Services
> 
> I need to connect my phones registered on CME to ISP Services using 
> g729 codec.
> 
> Well, on cisco I set the codec preference with a voice class:
> 
> voice class codec 1
>   codec preference 1 g729r8
>   codec preference 2 g711alaw
>   codec preference 3 g722ulaw
> 
> On asterisk (if this is a right example of "pass-thru" utilization), I 
> download the codec from http://kvin.lv/pub/Linux/Asterisk/freebsd/ (my 
> processor is a Sempron 2.2, then I download 
> codec_g729-gcc-athlon-sse.so and codec_g729-gcc-debug.so files) and put 
> it in my codec directory /usr/local/lib/asterisk/modules/. I remove the 
> dummy codec first, then on sip.conf:
> 
> disallow=all
> allow=g729
> allow=alaw
> allow=ulaw
> 
> The ISP sip services have support of g729.
> 
> When I try to make a call from cisco phone to ISP, I see something on 
> CME that seems codec g729 doesn't work:
> 
> barahir#sh voice call summary
> PORT           CODEC    VAD VTSP STATE            VPM STATE
> ============== ======== === ==================== ======================
> 2/0.1         -         -  -
> 2/0.2         -         -  -
> 2/1.1         -         -  -
> 2/1.2         -         -  -
> 50/0/1  .1       g711alaw  n  S_CONNECT             EFXS_CONNECT
> 50/0/1  .2       -         -  -                     EFXS_ONHOOK
> 50/0/2  .1       -         -  -                     EFXS_INIT
> 50/0/2  .2       -         -  -                     EFXS_INIT
> 50/0/3  .1       -         -  -                     EFXS_ONHOOK
> 50/0/4  .1       -         -  -                     EFXS_ONHOOK
> 50/0/4  .2       -         -  -                     EFXS_ONHOOK
> 
> Where is my mistake?
> Any advice will be appreciated
> Thanks for your support
> Regards
> Andrea
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