H.323 mobility architecture for terminal, user and service...

Details H.323 mobility architecture for terminal, user and service... H.323 mobility architecture for terminal, user and service...

H - Electricity

04

L

H04L 29/06 (2006.01) H04Q 7/36 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2317980

The present invention provides an H.323-based mobility system for real-time mobile multimedia communications and conferencing over packet-based networks. The H.323-based mobility system includes at least one H.323 Mobile Entity, arranged to send an H.323 call, that, upon detecting at least one H.323 mobility gatekeeper that-supports H.323 mobility services in a Location Area, communicates with a Home Location Databases moves from the first Location Area to a second Location Area, registers locally, and sets up a mobile H.323 based call; at least one Base Station, for receiving/sending the location information from/to a Mobile Switching Center, and for receiving/sending calls from/to the Mobile Switching Center for forwarding to a callee Mobile/Nonmobile Entity; the Home Location Database, arranged to receive and store Mobile Entity location information and send it to a first visitor Location Database, and upon the H.323 Mobile Entity moving from one Location Area to another Location Area, for receiving update location information and sending it to a second Visitor Location Database; the first Visitor Location Database, for storing and updating the location information; the first Mobile Switching Center, for, where the callee Mobile/Nonmobile Entity is in the first Location Area, setting up a call from the Mobile Entity to the callee Mobile/Nonmobile Entity, the second visitor Location Database, for storing and updating the location information; and the second Mobile Switching Center, for, where a callee Mobile/Nonmobile Entity is in the second Location Area, setting up a call from the Mobile Entity to the callee Mobile/Nonmobile Entity.

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