A new Request for Comments is now available in online RFC libraries. RFC 5502 Title: The SIP P-Served-User Private-Header (P-Header) for the 3GPP IP Multimedia (IM) Core Network (CN) Subsystem Author: J. van Elburg Status: Informational Date: April 2009 Mailbox: HansErik.van.Elburg@ericsson.com Pages: 14 Characters: 33553 Updates/Obsoletes/SeeAlso: None I-D Tag: draft-vanelburg-sipping-served-user-08.txt URL: http://www.rfc-editor.org/rfc/rfc5502.txt This document specifies the SIP P-Served-User P-header. This header field addresses an issue that was found in the 3rd Generation Partnership Project (3GPP) IMS (IP Multimedia Subsystem) between an S-CSCF (Serving Call Session Control Function) and an AS (Application Server) on the ISC (IMS Service Control) interface. This header field conveys the identity of the served user and the session case that applies to this particular communication session and application invocation. This memo provides information for the Internet community. INFORMATIONAL: This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited. This announcement is sent to the IETF-Announce and rfc-dist lists. To subscribe or unsubscribe, see http://www.ietf.org/mailman/listinfo/ietf-announce http://mailman.rfc-editor.org/mailman/listinfo/rfc-dist For searching the RFC series, see http://www.rfc-editor.org/rfcsearch.html. For downloading RFCs, see http://www.rfc-editor.org/rfc.html. Requests for special distribution should be addressed to either the author of the RFC in question, or to rfc-editor@rfc-editor.org. Unless specifically noted otherwise on the RFC itself, all RFCs are for unlimited distribution. The RFC Editor Team USC/Information Sciences Institute _______________________________________________ IETF-Announce@ietf.org https://www.ietf.org/mailman/listinfo/ietf-announce