{"draft":"draft-drage-sipping-rfc3455bis-14","doc_id":"RFC7315","title":"Private Header (P-Header) Extensions to the Session Initiation Protocol (SIP) for the 3GPP","authors":["R. Jesske","K. Drage","C. Holmberg"],"format":["ASCII","HTML"],"page_count":"43","pub_status":"INFORMATIONAL","status":"INFORMATIONAL","source":"IETF - NON WORKING GROUP","abstract":"This document describes a set of private header (P-header) Session\r\nInitiation Protocol (SIP) fields used by the 3GPP, along with their\r\napplicability, which is limited to particular environments.  The\r\nP-header fields are used for a variety of purposes within the\r\nnetworks that the partners implement, including charging and\r\ninformation about the networks a call traverses.  This document\r\nobsoletes RFC 3455.","pub_date":"July 2014","keywords":[],"obsoletes":["RFC3455"],"obsoleted_by":[],"updates":[],"updated_by":["RFC7913","RFC7976","RFC9878"],"see_also":[],"doi":"10.17487\/RFC7315","errata_url":"https:\/\/www.rfc-editor.org\/errata\/rfc7315"}