H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 29/06 (2006.01) H04M 7/00 (2006.01)
Patent
CA 2653930
The application relates to a method and apparatus for showing images, as well as video in a voice-over Internet protocol call. Conventionally the device (110) of the first call participant is not aware that the device (104) of the second call participant is capable of showing images and/or video. This problem is solved in that the first client device obtains device capabilities of a second client device (302) in response to the call. The device capabilities are processed to determine (306) whether the second client device is capable of graphical display, i.e. showing images to a user, or graphical interaction, i.e. display of and interaction with statits images, as well as video. If so, the first client device follows a so-called multimodal call flow (310), i.e. e.g. the first client device sends image data towards the second client device for display. Otherwise, the first client device follows a voice-only call flow (308).
L'invention concerne une méthode et un appareillage pour appeler une interaction multimodale lors d'un appel VoIP. Dans un exemple de réalisation, il est décrit comment s'effectue la gestion d'un appel vers un premier dispositif client dans un réseau à commutation de paquets. Le premier dispositif client obtient les caractéristiques de dispositif d'un second dispositif client en réponse à l'appel. Les caractéristiques du dispositif sont traitées pour déterminer si le second dispositif client possède des capacités d'affichage graphique ou d'interaction graphique. Si tel est le cas, le premier dispositif client applique un flux de données multimodal pour l'appel. Sinon, le premier dispositif client fait appel à un flux de données uniquement vocal.
Di Fabbrizio Giuseppe
Gupta Narendra K.
Stern Benjamin J.
At&t Corp.
Kirby Eades Gale Baker
LandOfFree
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