Communication system and server apparatus and terminal...

H - Electricity – 04 – L

Patent

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Details

H04L 29/04 (2006.01) H04L 12/66 (2006.01) H04M 11/06 (2006.01) H04Q 3/64 (2006.01)

Patent

CA 2578978

According to one embodiment, a communication system includes a first terminal to be connected to a first communication network, assigned a terminal ID and driven by power supplied from a battery, a server apparatus to be connected to a second communication network differing from the first network, to periodically confirm presences of the first terminal and a second terminal to be connected to the second communication network, and to communication-connect between the first and the second terminals in the case of presences thereof, and a controller which makes the server apparatus monitor that the first terminal is present on the first communication network by a second period longer than a first period monitoring that the second terminal is present on the second communication network.

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