Invention Grant
US08280957B2 Presence system and method for event-driven presence subscription 有权
用于事件驱动存在订阅的存在系统和方法

Presence system and method for event-driven presence subscription
Abstract:
Automatic subscription to presence services is achieved using a communications manager within a presence system. The communications manager is capable of detecting the occurrence of an event associated with at least one of a presentity and a watcher. The communications manager automatically subscribes or unsubscribes the watcher to receive presence information of the presentity in response to detection of the event.
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