Iñaki Baz Castillo wrote:
> 2009/2/25 Klaus Darilion <[email protected]>:
>> I think if Alice announces G711 and G729, and Bob answers with G.729,
>> Alice must send with G729 and Bob can send with G711 too. Is this correct?
> 
> If Bob answers G729 then Alice expects that Bob will send G729.
> But if Bob sends G711, how will detect Alice that the incoming RTP is not 
> G729?

Easy - each RTP packet has payload type field.

Regards,
-- 
Maksym Sobolyev
Sippy Software, Inc.
Internet Telephony (VoIP) Experts
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