{"draft":"draft-vanelburg-sipping-served-user-08","doc_id":"RFC5502","title":"The SIP P-Served-User Private-Header (P-Header) for the 3GPP IP Multimedia (IM) Core Network (CN) Subsystem","authors":["J. van Elburg"],"format":["ASCII","HTML"],"page_count":"14","pub_status":"INFORMATIONAL","status":"INFORMATIONAL","source":"IETF - NON WORKING GROUP","abstract":"This document specifies the SIP P-Served-User P-header.  This header\r\nfield addresses an issue that was found in the 3rd Generation\r\nPartnership Project (3GPP) IMS (IP Multimedia Subsystem) between an\r\nS-CSCF (Serving Call Session Control Function) and an AS (Application\r\nServer) on the ISC (IMS Service Control) interface.  This header\r\nfield conveys the identity of the served user and the session case\r\nthat applies to this particular communication session and application\r\ninvocation.  This memo provides information for the Internet community.","pub_date":"April 2009","keywords":["SIP","S-CSCF","AS","ISC"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":["RFC8217","RFC8498"],"see_also":[],"doi":"10.17487\/RFC5502","errata_url":"https:\/\/www.rfc-editor.org\/errata\/rfc5502"}