Technical Summary
This memo introduces a SIP specific extension mechanism to the
Presence Information Document Format to represent SIP User Agent
capabilities using the SIP feature tags defined in RFC3840. With
this extension, presence applications based on SIP can express richer
and more usable presence data compared to the baseline PIDF.
Working Group Summary
This document reflects the consensus of the SIMPLE working group.
Protocol Quality
This document was reviewed for the IESG by Jon Peterson. Robert Sparks is
the document shepherd. Gen-ART review was provided by Christian Vogt.
Note to RFC Editor
References:
Please change reference [12] to the following:
[12] Camarillo, G., "Internet Assigned Numbers Authority (IANA)
Registration of the Message Media Feature Tag", RFC 4569,
July 2006.
Also, please move reference [12] to the Informational References section
of the document.