I will try to summarize: If Alice offers codecs X and Y, and Bob answers with X and Y, both are allowed to send with any of these codecs and must be prepared to receive any of these codecs. Thus, asymmetric codecs may happen.
regards klaus Maxim Sobolev wrote: > Sorry, you guys were right, I was not. It seems that if Bob accepts only > one format then the Alice can rely on not receiving any other payload type. > > http://www.rfc-archive.org/getrfc.php?rfc=4317 > > Example 2.1. > > In order to allow asymmetric session, Bob should accept more than one > format, as in example 2.2. > > Regards, _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
