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

[Andrea Riela]

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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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