[rfc-dist] RFC 6993 on Instant Messaging and Presence Purpose for the Call-Info Header Field in the Session Initiation Protocol (SIP)

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        RFC 6993

        Title:      Instant Messaging and Presence Purpose 
                    for the Call-Info Header Field in 
                    the Session Initiation Protocol (SIP) 
        Author:     P. Saint-Andre
        Status:     Informational
        Stream:     IETF
        Date:       July 2013 
        Mailbox:    psaintan at cisco.com
        Pages:      5
        Characters: 7431
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-saintandre-impp-call-info-04.txt

        URL:        http://www.rfc-editor.org/rfc/rfc6993.txt

This document defines and registers a value of "impp" 
("instant messaging and presence protocol") for the "purpose" 
header field parameter of the Call-Info header field in the 
Session Initiation Protocol (SIP).


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