Title: A Watcher Information Event Template-Package for the Session Initiation Protocol (SIP)
Author(s): J. Rosenberg.
Status: PROPOSED STANDARD
Date: Aug 2004
Length: 46221
This document defines the watcher information template-package for the Session Initiation Protocol (SIP) event framework. Watcher information refers to the set of users subscribed to a particular resource within a particular event package. Watcher information changes dynamically as users subscribe, unsubscribe, are approved, or are rejected. A user can subscribe to this information, and therefore learn about changes to it. This event package is a template-package because it can be applied to any event package, including itself.
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