Patent ID: 9143574
Filing Date: 2015-09-22
Classification: H04L

Abstract:
1. A method for providing a presence service comprising: receiving a subscription, from at least one subscriber, or watcher, to said presence service to which a plurality of presentities are associated; acquiring information about the status of said watcher; receiving information regarding at least presence from at least part of said plurality of presentities; acquiring information about an idle, on-hold or suspended state of the presence subscription of said at least one watcher, and only if said at least one watcher is not in said idle, on-hold or suspended state automatically delivering said information regarding at least presence from at least part of said plurality of presentities to said at least one watcher which is subscribed to said presence service to permit him to observe it, wherein said step of acquiring said idle, on-hold or suspended subscriber state information is carried out by receiving a corresponding message from the watcher or from any other entity indicating that the subscription should be placed in the idle, on-hold or suspended status, by poll or push means, in a periodic or asynchronous way.