Scaleable communications system

Details Scaleable communications system Scaleable communications system

H - Electricity

04

L

H04L 29/06 (2006.01) H04M 7/00 (2006.01)

Patent

CA 2343754

A system that supports audio, video, data, and fax communications between a source personal computer and an audio communications device, such as a telephone or a destination personal computer. The system provides for communications first with an entry node, which selects an intermediate server. The selected intermediate server selects an ITSP gateway, for example, which provides access to the audio communications device. The selected intermediate server initiates voice or video communications using for example, the H.323 standard, with the ITSP gateway. The selected intermediate server then informs the source personal computer to communicate directly with the ITSP gateway. Thereby, the system scaleably supports voice or video communications in a "thin-client" environment.

L'invention concerne un système polyvalent (audio, vidéo, donnés et télécopie) assurant la liaison entre un ordinateur personnel d'origine et un dispositif de communications audio du type téléphone ou ordinateur personnel de destination. La liaison est d'abord établie avec un noeud d'entrée qui choisit un serveur intermédiaire, lequel sélectionne une passerelle de téléphonie sur Internet (ITSP), par exemple, afin d'assurer l'accès au dispositif de communications audio. Le serveur établit les communications audio ou vidéo avec la passerelle ITSP en utilisant par exemple la norme H.323. Le serveur demande ensuite à l'ordinateur personnel d'origine de communiquer directement avec la passerelle ITSP. Ainsi, le système assure de manière évolutive les communications audio ou vidéo dans un environnement de client "maigre".

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