Paul, Thanks for clarifying.
Regards, Monica. > -----Original Message----- > From: Paul D.Smith [mailto:[EMAIL PROTECTED] > Sent: Thursday, April 22, 2004 7:54 AM > To: Monica Chitre > Cc: SIP-IMPLEMENTORS WG > Subject: RE: [Sip-implementors] response to REGISTER with contact=* > > Monica, > > I interpret the intention of step 8, section 10.3, as defining the > following > logic > > when building a REGISTER response... > for each current binding > Insert a Contact header/value indicating the binding > endfor > > Since there are no current bindings, no Contact header is required. > > Note that table 2, section 20, clearly permits a response to a REGISTER to > contain no Contacts since the Contact field is optional. > > Regards, > Paul DS > > Paul D.Smith > Network Protocols Group > Data Connection Ltd (DCL) > Tel: +44 20 8366 1177 Email: [EMAIL PROTECTED] > Fax: +44 20 8363 1039 Web: http://www.dataconnection.com > > -----Original Message----- > From: Monica Chitre [mailto:[EMAIL PROTECTED] > Sent: 20 April 2004 23:52 > To: SIP (E-mail) > Subject: RE: [Sip-implementors] response to REGISTER with contact=* > > > Hi Venkat, > Thanks for your response. The example shows no contact header. > > The section I was referring to is 10.3 (Under Step 8 for what the > registrar does after receiving a REGISTER): > "The response MUST contain Contact header field values enumerating all > current bindings." > > So, I was wondering should you return Contact header with null value or > "*" or omit it as the example (but that contradicts the statement > above). > > Regards, > Monica. > > > -----Original Message----- > > From: Goud, Venkat Ramana (Venkat) ** CTR ** [mailto:[EMAIL PROTECTED] > > Sent: Tuesday, April 20, 2004 4:14 PM > > To: Monica Chitre; [EMAIL PROTECTED] > > Cc: Sasha Ruditsky > > Subject: RE: [Sip-implementors] response to REGISTER with contact=* > > > > > > It's correct. > > The response must contain Contact header field values > > enumerating all current bindings. In the example UA is > > unregistering all bindings, so there are no current bindings > > hence an empty contact header. > > > > -venkat > > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:sip-implementors-> [EMAIL PROTECTED] Behalf Of > > Monica Chitre > > Sent: > > Tuesday, April 20, 2004 3:50 PM > > To: [EMAIL PROTECTED] > > Cc: Sasha Ruditsky > > Subject: [Sip-implementors] response to REGISTER with contact=* > > > > > > Hi All, > > > > RFC 3261 mentions that Contact header MUST be present in a > > response to a REGISTER message. > > > > But in looking at the un-REGISTER example in RFC 3665 (call > > flows), I see that when a REGISTER with contact=* and > > expires=0 is sent, then the response does not have a contact > > header. Is this correct? Should it have a contact header > > and if yes, what should it be set to, "*"? > > > > Regards, > > Monica. > > > > Monica Chitre > > RADVISION, Inc. > > 266 Harristown Road, Suite 201 > > Glen Rock, NJ 07452 > > Voice: 201-689-6365 > > Fax: 201-689-6301 > > > > > > _______________________________________________ > 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
