Procedure and system for ensuring emergency communication

H - Electricity – 04 – M

Patent

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Details

H04M 11/04 (2006.01) H04L 1/22 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 2253842

The present invention relates to data communication networks. In particular, the present invention relates to a procedure and a system for ensuring emergency communication in a data communication network in which the terminal devices (4a, 4b, 4c) are connected to a telephone exchange (1) via an access node (3) consistent with the V5 standard. In the procedure of the invention, emergency communication by a subscriber in the event of a failure of the V5 interface used by the subscriber is ensured by using an emergency V5 interface (6) created in the access node and a range of addresses created for this purpose in the telephone exchange.

L'invention concerne les réseaux de communication de données, notamment un procédé et un système permettant d'assurer les communications d'urgence à l'intérieur d'un réseau de communication de données dans lequel les terminaux (4a, 4b, 4c) sont connectés à un central téléphonique (1) par l'intermédiaire d'un noeud d'accès (3) conforme à la norme V5. Selon le procédé de l'invention, une communication d'urgence envoyée par un abonné en cas de panne de l'interface V5 qu'il utilise est assurée par une interface V5 d'urgence (6) créée dans le noeud d'accès et par une série d'adresses créées à ces fins dans le central téléphonique.

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