Subject: WG: [Sip] Updated connected-identity draft

From: "Alexeitsev, D" <[email-masked]>
Date: Mon, 6 Mar 2006 15:01:54 +0100

Hello Jonh
 
Referring to the open issue about the updated To: header in the final INVITE response:
 
Would it not be possible to have a general solution that would allow both the change of the To: header URI in the final INVITE response, if the COLP information is available at that time, and the midcall change using the UPDATE method?
 
The tests we made with several SIP hard and soft phones show, that the current implementations would accept the changed To: header URI in the final INVITE response without any session influence. The changed To: header URI information would currently not be presented to the user by the UACs, but this is a user interface issue without protocol impact.
 
In the subsequent requests the UACs would still use the original To: header URI, so this could be mentioned in the draft to increase the interoperability with current implementations.
 
Greetings,
Denis Alexeistev

draft-elwell-sip-connected-identity is now available: 
 <http://www.ietf.org/internet-drafts/draft-elwell-sip-connected-identity-01.txt> http://www.ietf.org/internet-drafts/draft-elwell-sip-connected-identity-01.txt 

Compared with the 00 version, this has changed considerably and is intended to reflect decisions made in Vancouver. It exploits the ability to change the From URI during a dialog, so that requests in the reverse direction can place the source URI in the From header field and the Identity header can be used to provide authentication, rather having to introduce new headers. Comments would be appreciated. I would like to get this adopted as a SIP WG item in Dallas.

John 

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