is-composing Indication for Instant Messaging Using the Session Initiation Protocol (SIP)

Document Type Expired Internet-Draft (individual)
Author Henning Schulzrinne 
Last updated 2003-02-27
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Intended RFC status (None)
Expired & archived
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Stream Stream state (No stream defined)
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IESG IESG state Expired
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


In instant messaging systems, it is useful to know that the other party is composing a message, e.g., typing. This document defines a new content type and XML namespace that conveys information about a message being composed. The message could be of any type, including text, voice or video


Henning Schulzrinne (

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