"Instant Messaging and Presence Purpose for the Call-Info Header Field in the Session Initiation Protocol (SIP)", July 2013
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- P. Saint-Andre
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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).
For the definition of Status,
see RFC 2026.
For the definition of Stream, see RFC 4844.
Go to the RFC Editor Homepage.