On Thu, Aug 19, 2010 at 9:44 PM, Tim Nelson <[email protected]> wrote:
> ----- "Zhang Shukun" <[email protected]> wrote:
>>
>>  == Using SIP RTP CoS mark 5
>> [Aug 20 18:23:21] NOTICE[14543]: chan_sip.c:8454 process_sdp: No
>> compatible codecs, not accepting this offer!
>>
>> Could you tell me what 's wrong?
>
> <sarcasm>Besides the use of an illegal G.729 implementation? </sarcasm>
>
> Are both endpoints G.729 compatible? Most hard phones are G.729 compatible 
> but most softphones do not have G.729 support. Paid softphones typically have 
> support for G.729...
>
> --Tim
>
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I'd have to agree with Tim, it sounds like you're needing to transcode
between G.729 and another codec because one of your endpoints is not
capable of using G729 (or maybe either the sip configuration or the
device's configuration is not done properly)

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