Packet mode speech communication

Details Packet mode speech communication Packet mode speech communication

H - Electricity

04

L

H04L 12/56 (2006.01) H04W 4/10 (2009.01) H04W 28/10 (2009.01) H04L 12/18 (2006.01) H04W 80/12 (2009.01) H04L 29/06 (2006.01)

Patent

CA 2444406

A method for a packet mode group voice communication in a communications system comprises the steps of providing a group communication service entity on top of the communications system, providing the group communication service entity with individual addresses of group members in at least one group communication group, receiving voice packets from one of the group members to the group communication service entity, each voice packet being addressed to the at least one group, wherein the voice packets are real time transport protocol packets, and forwarding the voice packets individually to each receiving one of the group members on the basis of the individual addresses.

Une couche de service de communication de groupe en mode paquet (par exemple IP) est placée sur un réseau cellulaire ordinaire standard. Sur le plan conceptuel, la couche de communication de groupe comprend une paire d'entités logiques de base, un pont d'application et un serveur de traitement d'appel (CPS). Le pont et le CPS exécutent des applications de service de groupe qui communiquent avec le/les application(s) de service de groupe dans une station mobile MS par le biais des connexions IP fournies par le réseau cellulaire. Le CPS est conçu de manière à commander la gestion des niveaux des communications de groupe. Le pont est conçu de manière à distribuer en temps réel les paquets VoIP aux terminaux utilisateurs en fonction de leur appartenance à un groupe via des connexions valides ramenées par le CPS.

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