2009/5/5 Iñaki Baz Castillo <[email protected]>: > 2009/4/7 <[email protected]>: >> Hi >> A user agent registers against a REGISTRAR; so a 200 OK response is >> generated and includes a Contact header with the binding included in the >> request. >> No more bindings are stores in the registrar for this sip user. >> The user agent starts a deregistration procedure (i.e. REGISTER with >> Expires=0). How shall the registrar build the 200 OK response assuming no >> binding is left? I guess the 200 OK MUST include a Contact header, even >> though no binding is left, right? > > There is a confirmed bug in RFC 3261 about the case you describe. > There was a long thread about it in this maillist: > https://lists.cs.columbia.edu/pipermail/sip-implementors/2008-September/020311.html
There was also a discussion about it in IETF-SIP maillist: http://www.ietf.org/mail-archive/web/sip/current/msg24683.html The bug is officially reported here: http://bugs.sipit.net/show_bug.cgi?id=775 -- Iñaki Baz Castillo <[email protected]> _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
