Frank,
One more point I want to add on top of what Aman said. Offerer has to honor
the Answerer's priority. ie if answering party specifies c,b then Offerer
SHOULD select c.

-Ashwin.

On Wed, Oct 17, 2012 at 3:50 PM, Aman <[email protected]> wrote:

> Frank,
>
> Codecs are configured in the preference order of their use in SIP.
>
> In your case, originating side offers a,b,c codecs and answering party
> supports b,c. So the negotiation is either on 'b' or 'c', as the codec 'b'
> has the higher preference on both the side thus media will flow on codec
> 'b'.
>
> Hope this helps.
>
>
> Cheers,
> Aman
>
>
>
> On Tue, Oct 16, 2012 at 11:43 PM, Frank S. <[email protected]>
> wrote:
>
> >
> >
> >
> >
> > Hi,    Suppose offer contains codec a,b,c. Answering party supports b.c.
> > Based on what criteria Answering party choose b or c?Answer will contain
> > only one codec. What is the selection criteria between b and c.
> ThanksFrank
> > S
> > _______________________________________________
> > Sip-implementors mailing list
> > [email protected]
> > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
> >
> _______________________________________________
> Sip-implementors mailing list
> [email protected]
> https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
>
_______________________________________________
Sip-implementors mailing list
[email protected]
https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors

Reply via email to