Title: Internet Media Type message/sipfrag
Author(s): R. Sparks.
Status: PROPOSED STANDARD
Date: Nov 2002
Length: 14745
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.
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