Communication system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8364827
APP PUB NO 20090300189A1
SERIAL NO

12396499

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A cooperating system includes a web server and a communication service control server, where information of an error in a communication network is not notified until the web server makes an inquiry to the communication service control server. To solve this problem, a communication system is configured to include a session control server for controlling communication sessions from/to a plurality of terminals, an application server for communicating with the session control server, a web server for communicating with the application server, and a network for coupling the session control server, the application server and the web server. The application server is configured to transmit status related information including information on each communication session status of the plurality of terminals to the web server. The web server is configured to detect each communication session status of the plurality of terminals based on the received status related information.

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Patent Owner(s)

Patent OwnerAddress
HITACHI LTD6-6 MARUNOUCHI 1-CHOME CHIYODA-KU TOKYO 1008280 ?1008280

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Takase, Akihiko Tokyo, JP 73 5532
Takeda, Yukiko Tokorozawa, JP 56 3136

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