{"draft":"draft-ietf-sip-sipfrag-00","doc_id":"RFC3420","title":" Internet Media Type message\/sipfrag ","authors":["R. Sparks"],"format":["ASCII","HTML"],"page_count":"8","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Session Initiation Protocol","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.  [STANDARDS-TRACK]","pub_date":"October 2002","keywords":["mime","multipurpose internet mail extensions"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC3420","errata_url":"https:\/\/www.rfc-editor.org\/errata\/rfc3420"}