[asterisk-users] No rtpmap codec info in 200 OK

[Kevin P. Fleming]

On 12/18/2011 06:43 AM, Andreas Sikkema wrote:
> On 12/18/11 12:55 AM, William Scott wrote:
>> Notice there is no "rtpmap:18 G729/8000" in the reply.
>>
>> The call continues fine.
>>
>> Is it right that there is no codec info in the reply and the call continues?
>
> The value for 18 is defined in some RFC as being G729/8000 so there's no
> real need to redefine it in the SDP, especially not since the answering
> party already knows that the initiating party also uses the same value.

Unless the offeror has reassigned 18 to a different payload type, which 
is technically allowed but a terrible idea, so you likely won't ever see 
it in practice :-)

-- 
Kevin P. Fleming
Digium, Inc. | Director of Software Technologies
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