El Friday 26 October 2007 14:27:36 Aymeric Moizard escribió: > First: from rfc: "the To tag of the response to the CANCEL and the To tag > in the response to the original request SHOULD be the same" > > -> Thus, there is no reason to send the tag from a provisionnal response > in the CANCEL answer. THIS IS ONLY FOR FINAL RESPONSE (the 487), never > PROVISIONNAL (180 or 183). (However, the tag is always the same on > endpoints, but still this is not true on proxy). That's how I understand > it. > > -> SHOULD means that it's not mandatory. So if one application like > asterisk tries to match the To tag of CANCEL answer and the to tag of a > final response then this application is NOT compliant to rfc3261.
Thanks, in Sip-implementators mailist I got a similar response: https://lists.cs.columbia.edu/pipermail/sip-implementors/2007-October/017685.html I thisnk all is clear :) Thanks a lot. -- Iñaki Baz Castillo [EMAIL PROTECTED] _______________________________________________ Users mailing list Users@lists.openser.org http://lists.openser.org/cgi-bin/mailman/listinfo/users