RFC 3420 (rfc3420) - Page 1 of 8


Internet Media Type message/sipfrag



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Network Working Group                                          R. Sparks
Request for Comments: 3420                                   dynamicsoft
Category: Standards Track                                  November 2002


                  Internet Media Type message/sipfrag

Status of this Memo

   This document specifies an Internet standards track protocol for the
   Internet community, and requests discussion and suggestions for
   improvements.  Please refer to the current edition of the "Internet
   Official Protocol Standards" (STD 1) for the standardization state
   and status of this protocol.  Distribution of this memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2002).  All Rights Reserved.

Abstract

   This document registers the message/sipfrag Multipurpose Internet
   Mail Extensions (MIME) media type.  This type is similar to
   message/sip, but allows certain subsets of well formed Session
   Initiation Protocol (SIP) messages to be represented instead of
   requiring a complete SIP message.  In addition to end-to-end security
   uses, message/sipfrag is used with the REFER method to convey
   information about the status of a referenced request.

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  2
   2.  Definition: message/sipfrag  . . . . . . . . . . . . . . . . .  2
   3.  Examples . . . . . . . . . . . . . . . . . . . . . . . . . . .  3
       3.1 Valid message/sipfrag parts  . . . . . . . . . . . . . . .  3
       3.2 Invalid message/sipfrag parts  . . . . . . . . . . . . . .  4
   4.  Discussion . . . . . . . . . . . . . . . . . . . . . . . . . .  5
   5.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . .  6
   6.  Security Considerations  . . . . . . . . . . . . . . . . . . .  6
       Normative References . . . . . . . . . . . . . . . . . . . . .  7
       Non-Normative References . . . . . . . . . . . . . . . . . . .  7
       Author's Address . . . . . . . . . . . . . . . . . . . . . . .  7
       Full Copyright Statement . . . . . . . . . . . . . . . . . . .  8








Sparks                      Standards Track


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