On Wed, 2008-12-10 at 13:43 -0800, Maxim Sobolev wrote:
> Putting port number 0 into m-line should be just enough. Port number of 
> 0 means that the stream has been rejected. Any sensible [UAS] should send 
> a BYE upon receipt of such SDP answer immediately.

And by "any sensible UAC should..." we mean "some UASs will and others
will not".  Do NOT depend on any behavior not required by a standard.

In this case, the UAC has decided it does not like the offer and is in
the process of returning a valid but useless answer, followed by sending
a BYE.  It cannot depend on its SDP stimulating the UAS to send a BYE.

Dale


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