On Thu, 2005-09-29 at 09:54 +0100, Mahipati Deshpande wrote: > After establising a dialog, if UA receives re-INVITE > wihtout tag in TO header( off course UA sending > re-INVITE must me malfunctioning entity) what UA > should do? > Since this re-INVITE without To tag does not match > with existing dialog ID, should UA treat it outside > dialog and create new dialog once re-INVITE trasaction > completes successfuly?
As you note, since the re-INVITE has no To-tag, it is not part of the existing dialog, but since its Call-Id is the same as an existing dialog, it violates section 8.1.1.4. So the UA can do almost anything it pleases with it. Ideally, it is rejected with "400 Bad Request". Dale _______________________________________________ Sip-implementors mailing list [email protected] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
