From: The IESG To: IETF-Announce Subject: Protocol Action: 'Session Initiation Protocol (SIP) User Agent Capability Extension to Presence Information Data Format (PIDF)' to Proposed Standard Message-Id: <20080514232315.3E7903A6840@core3.amsl.com> Date: Wed, 14 May 2008 16:23:15 -0700 (PDT) Cc: simple chair , Internet Architecture Board , simple mailing list , RFC Editor The IESG has approved the following document: - 'Session Initiation Protocol (SIP) User Agent Capability Extension to Presence Information Data Format (PIDF) ' as a Proposed Standard This document is the product of the SIP for Instant Messaging and Presence Leveraging Extensions Working Group. The IESG contact persons are Jon Peterson and Cullen Jennings. A URL of this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-simple-prescaps-ext-10.txt 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.