NOTIFY can be a dialog creating request, hence the Contact Header is made mandatory. It is also a Target Refresh.
I had got the following references a while ago, when i had a similar question. > >> http://www.sipwg.org/show_bug.cgi?id=699 > >> > >> http://www1.ietf.org/mail-archive/web/sip/current/msg06960.html Nagesh Shekar > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Bharrat, > Shaun > Sent: Monday, April 18, 2005 1:19 PM > To: [email protected] > Subject: [Sip-implementors] Is NOTIFY a target refresh? > > > The contact header is listed as mandatory in the NOTIFY > message but I > cannot find any text in 3265 which would indicate that a subscriber is > obligated to treat the NOTIFY as a target refresh. Is the > NOTIFY a target > refresh? If not, what is the intended usage of the Contact header in > the NOTIFY (I understand the need in the initial notify for > handling the > out-of-order NOTIFY/200 subscribe but what about other notifies). > > A pointer to relevent RFC text would be greatly appreciated. > > Thanks and cheers, > Shaun > > > Shaun Bharrat Sonus Networks > Nothing witty to say ;-( www.sonusnet.com > > > _______________________________________________ > Sip-implementors mailing list > [email protected] > http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list [email protected] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
