RFC 7315: Private Header (P-Header) Extensions to the Session Initiation Protocol (SIP) for the 3GPP
In plain English — editorial summary, not part of the RFC
This document describes a set of private header (P-header) Session Initiation Protocol (SIP) fields used by the 3GPP, along with their applicability, which is limited to particular environments. The P-header fields are used for a variety of purposes within the networks that the partners implement, including charging and information about the networks a call traverses. This document obsoletes RFC 3455.
Document record
- Document ID
- RFC7315
- Published
- July 2014
- Authors
- R. Jesske; K. Drage; C. Holmberg
- Status
- INFORMATIONAL
- Stream
- IETF
- Area
- —
- Pages
- 43
- Also known as
- —
- Obsoletes:
- RFC 3455
Referenced by
3 later RFCs formally update or obsolete part of this document.
- RFC 7913P-Access-Network-Info ABNF UpdateCurrent
June 2016
- RFC 7976Updates to Private Header (P-Header) Extension Usage in Session Initiation Protocol (SIP) Requests and ResponsesObsoleted
September 2016
- RFC 9878Updates to Private Header (P-Header) Extension Usage in Session Initiation Protocol (SIP) Requests and ResponsesCurrent
November 2025
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About this page
The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.
Last checked against the RFC Editor index on . RFCs are never revised after publication; changes are issued as new documents.
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