Its an Error. My parser would return a 400 Bad Request. Regards, Hisham
> -----Original Message----- > From: ext Prakash GS [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, March 13, 2002 4:22 PM > To: [EMAIL PROTECTED] > Subject: [Sip-implementors] Null or empty Contact field in REGISTER > message > > > Hi all > I have a query related to registration. > Consider the following sequence : > > (1)A REGISTER message for a particular User-Agent is > received by a > registration server( which is also a proxy ).This message > also has a > Contact field that the registrar stores. > > (2)Now I get another REGISTER message( higher Cseq )for the same > User-Agent but with a Contact field like this : > > Contact: <nothing here> > OR > Contact: sip:<nothing here> > > Then what is the Registrar supposed to do? > Is it supposed to simply return a 200 OK without giving > any Contact > listing for the User-Agent? > Is it supposed to return a dummy 200 OK with no contacts ? > Is it supposed to flag a parser error or send any other error > response? > > Regards > Prakash > > > > > _______________________________________________ > 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
