A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Session Initiation Protocol Core Working Group of the IETF.
Title : An Extension to the Session Initiation Protocol (SIP) for Request History Information
Author(s) : Mary Barnes
Francois Audet
Shida Schubert
Detecon International Gmbh
Christer Holmberg
Filename : draft-ietf-sipcore-rfc4244bis-11.txt
Pages : 36
Date : 2013-01-11
Abstract:
This document defines a standard mechanism for capturing the history
information associated with a Session Initiation Protocol (SIP)
request. This capability enables many enhanced services by providing
the information as to how and why a SIP request arrives at a specific
application or user. This document defines an optional SIP header
field, History-Info, for capturing the history information in
requests. The document also defines SIP header field parameters for
the History-Info and Contact header fields to tag the method by which
the target of a request is determined. In addition, this
specification defines a value for the Privacy header field that
directs the anonymization of values in the History-Info header field.
This document obsoletes RFC 4244.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-sipcore-rfc4244bis
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-sipcore-rfc4244bis-11
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-sipcore-rfc4244bis-11
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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