Private branch exchange networks

Details Private branch exchange networks Private branch exchange networks

H - Electricity

04

Q

H04Q 3/42 (2006.01) H04Q 3/62 (2006.01) H04Q 11/04 (2006.01) H04M 3/38 (2006.01) H04M 3/533 (2006.01) H04M 7/00 (2006.01)

Patent

CA 2100138

Customers that have groups of stations served from multiple digital switching systems, which frequently include mixture of PBXs and Centrex, requirecapabilities that will allow those station groups to operate as one global group. This invention permits customer station groups, including PBXs and Centrexes interconnected by private facilities or by the public switched telephone network(including long distance carriers), to act as a single entity that supports integrated voice and data communications. Advantageously, Integrated Services Digital Network (ISDN) Primary Rate Interface (PRI) facilities are used to carry the communications and signaling to and from the PBXs.

Les clients qui ont des groupes de postes de travail servis par de multiples systèmes de commutation numérique, lesquels comportent fréquemment un mélange de PBX et de Centrex, requièrent des capacités qui permettront aux groupes de postes de travail de fonctionner comme un groupe global. Cette invention permet aux groupes de postes de travail des clients, y compris les PBX et les Centrex interconnectés par des installations privées ou par le réseau de commutation téléphonique public (y compris les transporteurs d'interurbains), de fonctionner comme une entité unique qui accepte l'intégration des communications voix et données. Enfin, on tire avantage du débit primaire des réseaux numériques avec intégration des services pour transporter les communications et la signalisation vers les PBX ou en provenance des PBX.

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