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Title : An Extension to Session Initiation Protocol (SIP) Events for Pausing and Resuming Notifications
Author(s) : M. Vakil
Filename : draft-vakil-sipping-notify-pause-00.txt
Pages : 15
Date : 2007-2-26
The Session Initiation Protocol (SIP) events framework enables a
subscriber to receive asynchronous notification of various events
from other SIP user agents. It defines mechanisms to create,
refresh, terminate subscriptions. This framework also defines
mechanism to fetch (poll) an event state of a resource without
creating persistent subscriptions. There is no mechanism to
temporarily pause the notifications, while still maintaining a
subscription on the server. This lack of functionality sometime
results in a lot of superfluous notification traffic, and put
unnecessary load on the server. This draft defines an extension to
SIP events that allows the subscriber to pause and un-pause
notifications within an established (created) subscription dialog.
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