Presence functionality in the H.323 protocol

Details Presence functionality in the H.323 protocol Presence functionality in the H.323 protocol

2002-05-24

2008-10-14

Pham, Brenda (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C455S433000

Reexamination Certificate

active

07436841

ABSTRACT:
A Present Application Server (PAS) is holding a presence list for each user is introduced. The presence list of a first user comprises other network registered users for which the first user, wants to track the registration status. The registration status of each user corresponds to the user's registration status in their associated Gatekeepers. Each time a change in registration status for a user occurs in its associated Gatekeeper, the Gatekeeper will send a message including an identification of both the user and the Gatekeeper, in addition to information concerning the change of status (register or unregister). The presence lists affected by the change of the registration status of said user is updated in the PAS. Then the associated users are informed by messages sent from the PAS via the Gatekeeper to the user's EndPoints. The messages are adapted to refresh URL's at the EndPoints pointing at the user's presence list.

REFERENCES:
patent: 6363065 (2002-03-01), Thornton et al.
patent: 6738383 (2004-05-01), Kliland et al.
patent: 6751459 (2004-06-01), Lee et al.
patent: 6785223 (2004-08-01), Korpi et al.
patent: 6983311 (2006-01-01), Haitsuka et al.
patent: 7191447 (2007-03-01), Ellis et al.
patent: 7197766 (2007-03-01), Raestad et al.

Affiliated with

Also associated with

Rating

Presence functionality in the H.323 protocol does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Presence functionality in the H.323 protocol, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Presence functionality in the H.323 protocol will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4013338