Thanks for this. And thanks Sanjay for moving it to the appropriate mailing list!
Paul Kyzivat wrote: > > Sanjay Sinha (sanjsinh) wrote: > >>I think it will send 200 OK to CANCEL first, to let UAC know that it has >>received it, and then act on Cancel request and send 487 for Invite. > > > Note that even if they are sent in that order they may not be *received* > in that order. > > Paul > > >>Sanjay >> >>PS: I moved this to sip-implementors, where it's more appropriate. >> >> >>>-----Original Message----- >>>From: Stephen McVarnock [mailto:[EMAIL PROTECTED] >>>Sent: Tuesday, May 15, 2007 9:58 AM >>>To: [EMAIL PROTECTED] >>>Subject: [Sip] UAS behaviour in response to a CANCEL request >>> >>>Hi folks, >>> If a UAC sends a CANCEL request to the UAS, is the UAS >>>under any obligation for the order in which it sends it's >>>responses? i.e.:- >>> >>>It must send the 200 OK for the CANCEL before it sends the 487 >>>for the INVITE request. >>> >>>or >>> >>>It must send the 487 to the INVITE before it sends the 200 OK >>>for the CANCEL request. >>> >>>Having a look at section 9 of RFC 3261, it makes no mention of >>>this which I assume implies that either situation should be >>>dealt is acceptable. >>> >>>Thanks in advance for any help supplied. >>> >>>Regards, >>> Steve >>> >>> >>> >>>-- >>> >>> >>>*********************************************************************** >>>* Stephen McVarnock * Email: [EMAIL PROTECTED] * >>>* Senior Software Developer * WWW : http://www.aepona.com * >>>* Aepona Ltd., * Phone: +44 (0)28 9026 9114 * >>>* Interpoint Building, * Fax : +44 (0)28 9026 9111 * >>>* 20-24 York Street, * * >>>* Belfast. BT15 1AQ * * >>>* N. Ireland * * >>>*********************************************************************** >>> >>> >>> >>>_______________________________________________ >>>Sip mailing list https://www1.ietf.org/mailman/listinfo/sip >>>This list is for NEW development of the core SIP Protocol Use >>>sip-implementors@cs.columbia.edu for questions on current sip >>>Use [EMAIL PROTECTED] for new developments on the application of sip >>> >> >>_______________________________________________ >>Sip-implementors mailing list >>Sip-implementors@cs.columbia.edu >>https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors >> > > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@cs.columbia.edu > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > -- *********************************************************************** * Stephen McVarnock * Email: [EMAIL PROTECTED] * * Senior Software Developer * WWW : http://www.aepona.com * * Aepona Ltd., * Phone: +44 (0)28 9026 9114 * * Interpoint Building, * Fax : +44 (0)28 9026 9111 * * 20-24 York Street, * * * Belfast. BT15 1AQ * * * N. Ireland * * *********************************************************************** _______________________________________________ Sip-implementors mailing list Sip-implementors@cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors