The SIP P-Served-User Private-Header for the 3GPP IP Multimedia Core Network Subsystem
RFC 5502, “The SIP P-Served-User Private-Header for the 3GPP IP Multimedia Core Network Subsystem”, is an Informational document published in April 2009 by J. van Elburg. It has since been updated by RFC 8217, RFC 8498. The canonical text is published by the RFC Editor.
Abstract
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.
What “Informational” means
Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.
The canonical text of RFC 5502 is hosted at rfc-editor.org. Available in TXT,HTML.
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