A P-Served-User Header Field Parameter for Originating CDIV session case in Session Initiation Protocol (SIP)

The information below is for an old version of the document
Document Type Expired Internet-Draft (sipcore WG)
Author Marianne Mohali 
Last updated 2018-04-19 (latest revision 2017-09-27)
Replaces draft-mohali-sipcore-originating-cdiv-parameter
Stream Internet Engineering Task Force (IETF)
Expired & archived
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This specification defines a new parameter of the P-Served-User header field in the Session Initiation Protocol (SIP). This new "orig-cdiv" parameter defines the session case used by a proxy when handling an originating session after Call Diversion (CDIV) services has been invoked for the served user. The P-Served-User header field is defined in RFC5502 to convey the identity of the served user and the session case that applies to this particular communication session and application invocation. This document updates RFC5502 to add the "originating after CDIV" session case and to provide more guidance for using the P-Served-User header field in IP networks that were missing in RFC5502.


Marianne Mohali (marianne.mohali@orange.com)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)