On 2/23/12 8:09 AM, Roshan nampeli wrote:
> Hello,
>
> In the SIP sdp offer/answer scenario suppose A sends INVITE without SDP to B.
> B then replies with all the codecs it supports (say 0,8,4,18).
> Then is it proper for A to reply in ACK with all codecs (say 0,8,18,4) ?
YES.
That means that any of them may be used during the course of the session.
This has nothing at all to do with the answer being in the ACK. It
applies to all o/a cases.
Thanks,
Paul
> A-----------INVITE(no sdp)----------> B
> A<------------100 trying--------------B
> A<------------180ringing-------------B
> A<-----------200Ok(0,8,4,18)--------B
> A-----------ACK(0,8,18,4)----------->B
>
> Thanks in advance,
> Roshan.
>
>
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