Method for setting up communication paths between access...

H - Electricity – 04 – M

Patent

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Details

H04M 7/00 (2006.01) H04L 29/12 (2006.01) H04M 3/54 (2006.01) H04M 3/56 (2006.01)

Patent

CA 2432822

The access points of the system are located either in the packet transmission network (54-56) or at the interfaces connecting the switching units (10, 20, 30, 40) provided with gateways with the packet network. Call servers store context data concerning terminals connected to the system through the access points. When a communication path is set up passing through a gateway to connect first and second terminals, the servers associate an addressing resource of the gateway in the packet network with a portion of the path providing the connection with the first terminal and an addressing resource of the gateway in the switching means with a second portion providing the connection with the second terminal, and store, in the context data concerning the second terminal, an identification of said addressing resource of the gateway in the packet network.

Les points d'accès du système se trouvent soit dans un réseau de transmission de paquets (54-56) soit au niveau d'interfaces de raccordement d'unités de commutation (10, 20, 30, 40) pourvues de passerelles avec le réseau de paquets. Des serveurs d'appel mémorisent des données de contexte relatives à des terminaux reliés au système à travers les points d'accès. A l'établissement d'un chemin de communication passant par une passerelle pour mettre en liaison des premier et second terminaux, les serveurs associent une ressource d'adressage de la passerelle dans le réseau de paquets à une portion du chemin procurant la liaison avec le premier terminal et une ressource d'adressage de la passerelle dans les moyens de commutation à une seconde portion procurant la liaison avec le second terminal, et mémorisent, dans les données de contexte relatives au second terminal, une identification de ladite ressource d'adressage de la passerelle dans le réseau de paquets.

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