Network gateway device and communications system for real...

H - Electricity – 04 – L

Patent

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Details

H04L 29/06 (2006.01) H04L 12/66 (2006.01) H04L 29/08 (2006.01)

Patent

CA 2461417

The invention relates to a network gateway device (NU), which permits a logically direct, transport protocol-based coupling of several VoIP communications networks (KN1, KN2) with different, connection control protocols (SP1, SP2) that are attached to the packet-oriented transport protocol (IP). To achieve this, for each of the VoIP communications networks (KN1, KN2) to be coupled, the network gateway (NU) has a respective transport protocol-based data interface (D1, D2), a connection control protocol-based signalling interface (S1, S2), in addition to a conversion device (SIWU) for conversion between the different connection control protocols (SP1, SP2).

L'invention concerne une unité de connexion de réseaux (NU) permettant d'obtenir un couplage à logique directe, basé sur un protocole de transport, de plusieurs réseaux de communication VoIP (KN1, KN2) avec différents protocoles de commande de liaison (SP1, SP2) liés au protocole de transport par paquets (IP). Pour cela, l'unité de connexion de réseaux (NU) comprend, pour chacun des réseaux de communication VoIP (KN1, KN2) à coupler, une interface de données (D1, D2) basée sur un protocole de transport, une interface de signalisation (S1, S2) basée sur un protocole de commande de liaison, ainsi qu'un convertisseur (SIWU) pour la conversion entre les différents protocoles de commande de liaison (SP1, SP2).

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