Just to emphasize: if more than one codec is negotiated, then you must
be prepared to receive RTP packets containing any of them - even a
mixture. You can send using whichever you want.
Thanks,
Paul
Benjamin Jacob wrote:
> Mutliple ways to do it :
> 1. Select the first codec in the list (you have to be prepared to receive any
> of the common codecs listed in the offer and answer, on the fly),
> 2. Based on your business logic, select the optimum one out, say G729 (you
> have to be prepared to receive any of the common codecs listed in the offer
> and answer, on the fly),
> 3. Use codec locking mentioned in rfc3264.txt (Section 10.2 - One of N codec
> selection). e.g. lock the codec to the type received in the first RTP packet
> received from the other side.
>
> - Benjamin Jacob.
>
>
>
>
> ----- Original Message ----
> From: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
> To: [email protected]
> Sent: Friday, June 20, 2008 9:51:39 AM
> Subject: [Sip-implementors] REG: query related to sdp
>
>
> Hi All,
>
>
>
> We are having a query related to sdp . We are establishing a call
> between two clients. If they are exchanging more than one common codec,
> based on what criteria will they select which codec to use.
>
>
>
> Thanks & Regards
>
> Rajeswari.R
>
>
>
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