Technical Summary
The SIP event notification framework describes the usage of the
Session Initiation Protocol (SIP) for subscriptions and notifications
of changes to a state of a resource. The initial specification did not describe
a mechanism for filtering event notifications. Filtering is a mechanism for
defining the preferred notification information to be delivered and for
specifying triggers that cause that information to be delivered. In order to
enable this, a format is needed to enable the subscriber to choose when
notifications are to be sent to it and what they are to contain.
This document presents a solution in the form of an XML document
format.
Working Group Summary
The SIMPLE working group came to consensus on this document. There
were Last Call comments from the IETF community, and there were change
incorporated into the document to reflect the responses to those comment.s
Protocol Quality
This document was reviewed for the IESG by Ted Hardie.