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Mapping and Interworking of Diversion Information between Diversion and History-Info Header Fields in the Session Initiation Protocol (SIP) (RFC7544) Disclosure Number: IPCOM000242733D
Original Publication Date: 2015-Aug-01
Included in the Prior Art Database: 2015-Aug-08
Document File: 60 page(s) / 69K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

M. Mohali: AUTHOR


1.1. Overview

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Independent Submission                                         M. Mohali Request for Comments: 7544                                        Orange Obsoletes: 6044                                              August 2015 Category: Informational ISSN: 2070-1721

 Mapping and Interworking of Diversion Information between Diversion and   History-Info Header Fields in the Session Initiation Protocol (SIP)


   Although the SIP History-Info header field described in RFC 7044 is    the solution adopted in IETF, the non-standard Diversion header field    described, as Historic, in RFC 5806 is nevertheless already    implemented and used for conveying call-diversion-related information    in Session Initiation Protocol (SIP) signaling.

   RFC 7044 obsoletes the original RFC 4244 and redefines the History-    Info header field for capturing the history information in requests.

   Since the Diversion header field is used in existing network    implementations for the transport of call diversion information, its    interworking with the SIP History-Info standardized solution is    needed.  This document describes a recommended interworking guideline    between the Diversion header field and the History-Info header field    to handle call diversion information.  This work is intended to    enable the migration from non-standard implementations toward IETF    specification-based implementations.

   This document obsoletes RFC 6044, which describes the interworking    between the Diversion header field defined in RFC 5806 and the    obsoleted History-Info header field defined on RFC 4244.

 Mohali                        Informational                     [Page 1]
 RFC 7544          Mapping of Diversion and History-Info      August 2015

 Status of This Memo

   This document is not an Internet Standards Track specification; it is    published for informational purposes.

   This is a contribution to the RFC Series, independently of any other    RFC stream.  The RFC Editor has chosen to publish this document at    its discretion and makes no statement about its value for    implementation or deployment.  Documents approved for publication by    the RFC Editor are not a candidate for any level of Internet    Standard; see Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at

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