Re: [Sip-implementors] Record-Route and re-INVITE

[Nataraju A.B.]

Regards, -Nataraju A.B. May you live as long as you wish and love as long as you live. --Robert A. Heinlein Time Enough for Love. (He may have gotten it elsewhere.) ----- Original Message ----- From: Christer Holmberg (LMF) To: 'Natesan Kannan' ; 'Annamalai Meenatchy' ; [EMAIL PROTECTED] Sent: Thursday, June 05, 2003 5:09 PM Subject: RE: [Sip-implementors] Record-Route and re-INVITE   Hi,   A little strange text in 12.2, I think...   What is the use of including a mid-session Record-Route header if you can't change the route set? I am not saying one should be able to change the route set, but I wonder what the Record-Route header shall be used for...   [Nataraju A.B.] "         The Record-Route process is designed to work for any SIP          request that initiates a dialog.  INVITE is the only such          request in this specification, but extensions to the protocol          MAY define others. " - Only the dialog creating requests will insert the RR header, while other requests must not add the RR header..   Regards,   Christer Holmberg Ericsson Finland -----Original Message----- From: Natesan Kannan [mailto:[EMAIL PROTECTED] Sent: 5. kes�kuuta 2003 14:39 To: Christer Holmberg (LMF); 'Annamalai Meenatchy'; [EMAIL PROTECTED] Subject: Re: [Sip-implementors] Record-Route and re-INVITE Further to that, the route-set in the dialog never changes even if there is a record-route header in the response (UAS just copies this from the request to the response) to a mid-dialog request.   "Requests within a dialog MAY contain Record-Route and Contact header    fields.  However, these requests do not cause the dialog's route set    to be modified, although they may modify the remote target URI." -Section 12.2, rfc 3261   -Kannan   ----- Original Message ----- From: Christer Holmberg (LMF) To: 'Annamalai Meenatchy' ; [EMAIL PROTECTED] Sent: Thursday, June 05, 2003 4:58 PM Subject: RE: [Sip-implementors] Record-Route and re-INVITE   Hi,   There has been discussions about if it is allowed to change the route set during a session, but in general the re-INVITE is like any other mid-session request, ie if you have a route set you include the Route headers...   Regards,   Christer Holmberg Ericsson Finland -----Original Message----- From: Annamalai Meenatchy [mailto:[EMAIL PROTECTED]] Sent: 5. kes�kuuta 2003 13:13 To: [EMAIL PROTECTED] Subject: [Sip-implementors] Record-Route and re-INVITE Hi,   When we send out re-INVITE do we need to include the Route headers with it? Does the Record-route header in the re-INVITE change/modify the route-set?  When we respond to the re-INVITE, do we need to include the Record-route header in the 2xx messsage?   Thanks & Regards, Meena _______________________________________________ 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

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