[rfc-dist] RFC 4916 on Connected Identity in the Session Initiation Protocol (SIP)

rfc-editor@rfc-editor.org rfc-editor at rfc-editor.org
Wed Jun 20 17:28:24 PDT 2007


A new Request for Comments is now available in online RFC libraries.

        
        RFC 4916

        Title:      Connected Identity in the Session 
                    Initiation Protocol (SIP) 
        Author:     J. Elwell
        Status:     Standards Track
        Date:       June 2007
        Mailbox:    john.elwell at siemens.com
        Pages:      24
        Characters: 42924
        Updates:    RFC3261
        See-Also:   

        I-D Tag:    draft-ietf-sip-connected-identity-05.txt

        URL:        http://www.rfc-editor.org/rfc/rfc4916.txt

This document provides a means for a Session Initiation Protocol
(SIP) User Agent (UA) that receives a dialog-forming request to
supply its identity to the peer UA by means of a request in the
reverse direction, and for that identity to be signed by an
Authentication Service.  Because of retargeting of a dialog-forming
request (changing the value of the Request-URI), the UA that receives
it (the User Agent Server, UAS) can have a different identity from
that in the To header field.  The same mechanism can be used to
indicate a change of identity during a dialog, e.g., because of some
action in the Public Switched Telephone Network (PSTN) behind a
gateway.  This document normatively updates RFC 3261 (SIP).  
[STANDARDS TRACK]

This document is a product of the Session Initiation Protocol
Working Group of the IETF.

This is now a Proposed Standard Protocol.

STANDARDS TRACK: This document specifies an Internet standards track
protocol for the Internet community,and requests discussion and suggestions
for improvements.Please refer to the current edition of the Internet
Official Protocol Standards (STD 1) for the standardization state and
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