Method and apparatus for conferencing in an expandable...

H - Electricity – 04 – M

Patent

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Details

H04M 3/56 (2006.01) H04L 12/56 (2006.01) H04L 12/42 (2006.01) H04L 12/64 (2006.01) H04M 7/00 (2006.01)

Patent

CA 2282428

A method and apparatus for conferencing two or more calls in an expandable telecommunications system. The system may include a plurality of nodes connected by an inter-nodal network such that the nodes communicate with each other by exchanging variable-length packets of information. At least one node in the system contains digital signal processing circuitry capable of conferencing the voice information from three or more callers interfaced with the system. Packets containing voice information from each conference participant are preferably transmitted via the inter-nodal network to the node having the requisite digital signal processing circuitry. This node performs a conferencing function on that information, packets the resulting conferenced information and transmits those packets via the inter-nodal network to the nodes interfaced with the conference participants.

L'invention porte sur un procédé et un appareil permettant d'établir une conférence entre deux appelants ou plus dans un réseau extensible de télécommunications. Le système peut comporter une série de noeuds reliés par un réseau inter-nodal permettant aux noeuds de communiquer entre eux en échangeant des paquets d'information de longueur variable. L'un au moins des noeuds du système comporte des circuits de traitement des signaux numériques capables de mettre en conférence les informations vocales provenant de trois appelants ou plus reliés par des interfaces au système. Les paquets d'informations vocales de chacun des participants à la conférence sont de préférence transmis à par l'intermédiaire du réseau inter-nodal au noeud possédant les circuits requis de transmission des signaux numériques. Ledit noeud exerce une fonction de mise en conférence sur ces informations, met lesdites informations en paquets, et transmet ces paquets par l'intermédiaire du réseau inter-nodal aux noeuds reliés par des interfaces aux participants à la conférence.

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