H - Electricity – 04 – W
Patent
H - Electricity
04
W
H04W 4/18 (2009.01) H04W 4/10 (2009.01) H04W 76/02 (2009.01) H04L 29/04 (2006.01)
Patent
CA 2633398
A method an system for establishing a multi-user communication session, having a session description, between terminals with incompatible media characteristics, in which users with terminals having incompatible media characteristics are invited to participate in the communication session. A transcoding session is set up for enabling transcoding between the incompatible media characteristics of the terminals based on information about the terminals of the users having accepted the invitation, this information comprising the media characteristics of the users' terminals. The session description is established according to the transcoding session and, during the communication session, media streams from the terminal of one user are transcoded according to the transcoding session and the transcoded media streams are transmitted according to the session description to the other users participating in the communication session, using the media characteristics of the terminals of those other users.
La présente invention se rapporte à un procédé et à un système permettant d'établir une session de communication multi-utilisateur possédant une description de session entre des terminaux dotés de caractéristiques multimédia incompatibles. Un procédé selon l'invention consiste : à inviter des utilisateurs possédant des terminaux dotés de caractéristiques multimédia incompatibles à participer à la session de communication ; à mettre au point une session de transcodage, qui permet un transcodage entre les caractéristiques multimédia incompatibles des terminaux sur la base d'informations relatives aux terminaux des utilisateurs qui ont accepté l'invitation, lesdites informations contenant les caractéristiques multimédia des terminaux desdits utilisateurs ; à créer la description de session conformément à la session de transcodage ; à transcoder, pendant la session de communication, des flux multimédia issus du terminal d'un utilisateur conformément à la session de transcodage ; et à transmettre, conformément à la description de session, les flux multimédia transcodés aux autres utilisateurs participant à la session de communication, à l'aide des caractéristiques multimédia des terminaux desdits autres utilisateurs.
Donnelly Victoria
Vantrix Corporation
LandOfFree
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