Presence system and method for event-driven presence subscription
AssigneeAlcatel Lucent
InventorsFuming Wu, Aziz Mohammed
Life of this patent
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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.
Claims20
A communications manager within a presence system, said communications manager comprising:
- an event detector capable of detecting the occurrence of an event associated with at least one of a presentity and a watcher;
- and
- a controller operable to automatically modify a status of a presence subscription of said watcher for receiving presence information of said presentity in response to detection of said event.
A presence system for event-driven presence subscription, comprising:
- a presence server capable of receiving and storing presence information for a plurality of presentities and subscription information for a plurality of watchers of said presentities;
- and
- a communications manager capable of detecting the occurrence of an event associated with at least one of a presentity and a watcher, wherein said communications manager is operable to automatically modify a status of a presence subscription of said watcher for receiving presence information of said presentity in said subscription information in response to detection of said event.
A method for event-driven presence subscription, comprising the steps of:
- detecting the occurrence of an event associated with at least one of a presentity and a watcher;
- and
- automatically modifying a status of a presence subscription of said watcher for receiving presence information of said presentity in response to detection of said event.
Dependencies are inferred from the claim text.