Will this happen in the real world? UAC will send Cancel only if a provisional response has been received. Why didn't the UAS create the dialog during such a 'long' time?
-------------------------------------------------- From: <[EMAIL PROTECTED]> Sent: Thursday, March 27, 2008 6:20 PM To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>; <[email protected]> Subject: Re: [Sip-implementors] To Tag in 200OK(CANCEL) > And why the To tag is MUST in such a case, even dialog is not > established at all? > > Alex Zhang > ESN: 6-554-8782 > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > [EMAIL PROTECTED] > Sent: Thursday, March 27, 2008 6:14 PM > To: [EMAIL PROTECTED]; [email protected] > Subject: Re: [Sip-implementors] To Tag in 200OK(CANCEL) > > But, will the dialog state be changed to what after the To tag is > include and sent? > > Alex Zhang > ESN: 6-554-8782 > > > -----Original Message----- > From: srinivas [mailto:[EMAIL PROTECTED] > Sent: Thursday, March 27, 2008 5:58 PM > To: Alex Zhang (GDNTRND); [email protected] > Subject: RE: [Sip-implementors] To Tag in 200OK(CANCEL) > > Yes, it must include the To-Tag in 200 Ok for Cancel Msg, even if the > 200 Ok > for cancel has generated by Stateful Proxy it supposed to generate to > tag > for the same because it supposed behave as a UAS while generating that > response. > > Regards, > Srinivas CH, > Huawei Technologis India Pvt Ltd, > 1st Floor 'A' Tower,Diamond District, > Airport Road, Bangalore-8, > Contact: (Off) 080-41117676 ext: 3220 (Mob) > +919448865786. > > > This e-mail and attachments contain confidential information from > HUAWEI, > which is intended only for the person or entity whose address is listed > above. Any use of the information contained herein in any way > (including, > but not limited to, total or partial disclosure, reproduction, or > dissemination) by persons other than the intended recipient's) is > prohibited. If you receive this e-mail in error, please notify the > sender by > phone or email immediately and delete it! > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > [EMAIL PROTECTED] > Sent: Thursday, March 27, 2008 1:49 PM > To: [email protected] > Subject: [Sip-implementors] To Tag in 200OK(CANCEL) > > Hi All, > > > > Is is mandatory that the To Tag must be included by the UAS in the > 200OK(CANCEL) even if the dialog is not established yet? I.E, as below: > > > > UAC UAS > > |---------- Invite ------------------------------->| > > |<--------- 100 Trying -------------------------| > > |----------- CANCEL ------------------------->| > > |<----------- 200OK(CANCEL, To Tag)-----| > > > > alex > > > > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > > > > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
