A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the SIP for Instant Messaging and Presence Leveraging Extensions Working Group of the IETF.
Title : A Presence Event Package for the Session Initiation
Protocol (SIP)
Author(s) : J. Rosenberg
Filename : draft-ietf-simple-presence-10.txt
Pages : 27
Date : 2003-1-31
This document describes the usage of the Session Initiation Protocol
(SIP) for subscriptions and notifications of presence. Presence is
defined as the willingness and ability of a user to communicate with
other users on the network. Historically, presence has been limited
to 'on-line' and 'off-line' indicators; the notion of presence here
is broader. Subscriptions and notifications of presence are supported
by defining an event package within the general SIP event
notification framework. This protocol is also compliant with the
Common Presence Profile (CPP) framework.
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