Multimedia call distribution system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6778661
SERIAL NO

09510065

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The multimedia call distribution system maintains call connection devices, a multimedia call distribution device, and terminal devices. When a call connection request is received, each of the call connection devices issues an inquiry to the multimedia call distribution device about a terminal device to which a call is to be connected. The call connection device connects the call to the terminal device as a response to the inquiry by the multimedia call distribution device The multimedia call distribution device monitors communication conditions of each terminal device about respective types of media, and selects one terminal device that can preform real-time communication and informs the call connection device that has issued the inquiry of the selected device as a response, when the inquiry is received from the call connection device, and when a type of media of the call connected by the call connection device that has issued the inquiry is a type of media that preform real-time communication.

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Patent Owner(s)

Patent OwnerAddress
HITACHI LTDTOKYO 100-8280

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nakayama, Yoshiyuki Kawasaki, JP 55 2374
Yumoto, Kazuma Yokohama, JP 44 1351

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