H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/66 (2006.01) H04L 12/52 (2006.01) H04L 12/56 (2006.01) H04L 29/10 (2006.01) H04Q 11/04 (2006.01)
Patent
CA 2210944
The invention relates to a method of operating an interface device (IWF) for connecting a first telecommunication subnetwork (ISDN) operated in synchronous time-division multiplex mode (ISDN) with a fixed assignment of time slots to transmission channels using a first signaling protocol (SI1), to a second telecommunication subnetwork (ATM) operated in a statistical multiplex mode (ATM) with a transmission capacity assigned to each connection by free agreement using a second signaling protocol (SA1), the interface device performing a conversion between the first signaling protocol and the second signaling protocol, wherein during each connection setup the signaling is converted in such a way that the number of transmission channels (Ch1, ..., Ch6; Ch20, ... , Ch30) reserved in the first subnetwork (ISDN) for the connection to be set up and the transmission capacity assigned to said connection in the second subnetwork (ATM) are adapted to one another, as well as an interface device and an exchange with such an interface device.
Méthode permettant d'utiliser un dispositif d'interface (IWF) pour raccorder un premier sous-réseau de télécommunications (RNIS) exploité en mode de multiplexage temporel synchrone (RNIS) avec assignation fixe de créneaux temporels à des canaux de transmission selon un premier protocole de signalisation (SI1), à un deuxième sous-réseau de télécommunications (ATM) exploité en mode de multiplexage statistique (ATM) avec assignation d'une capacité de transmission à chaque connexion par entente libre selon un deuxième protocole de signalisation (SA1). Le dispositif d'interface effectue une conversion entre le premier protocole de signalisation et le deuxième protocole de signalisation de sorte que, lors de chaque établissement de connexion, la signalisation est convertie pour que soient adaptés l'un à l'autre le nombre de canaux de transmission (Ch1, ..., Ch6; Ch20, ..., Ch30) réservés dans le premier sous-réseau (RNIS) pour la connexion à établir, d'une part, et la capacité de transmission assignée à ladite connexion dans le deuxième sous-réseau (ATM), d'autre part. L'invention comprend aussi un dispositif d'interface et un commutateur associé audit dispositif.
Alcatel
Alcatel Alsthom Compagnie Generale D'electricite
Robic
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