In any case if codec negotiations fails then 488 Media Not Acceptable is only appropriate response.
-- Thanks & Regards, Ravi Inder Singh. On Sun, May 1, 2011 at 3:38 AM, Iñaki Baz Castillo <[email protected]> wrote: > 2011/4/30 Nauman Sulaiman <[email protected]>: > > If codec negotiation fails on initial offer/answer exchange the usual > response is 488 Not Acceptable. If it fails during the REINVITE stage > > I have seen UAs send 500 Internal error. Is this correct or should it > still be 488? > > In a UAS 500 means "UAS internal error", so it's never a proper > response. 488 is the correct choice. A response is defined at > transaction level, so an INVITE and re-INVITE are the same when coming > to generate a response. > > -- > Iñaki Baz Castillo > <[email protected]> > > _______________________________________________ > 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
