H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/66 (2006.01) H04L 12/18 (2006.01) H04M 11/06 (2006.01) H04N 7/15 (2006.01) H04Q 3/64 (2006.01)
Patent
CA 2618444
According to one embodiment, a telephone system includes a plurality of telephone exchange apparatuses which execute exchange processing among a plurality of telephone terminals and a server apparatus which is connected to the plurality of telephone exchange apparatuses via transmission paths, receives a call information event to specify a plurality of telephone terminals to be call-connected, and executes a computer supported telephony application with prescribed standards regarding call state management of the plurality of telephone terminals, wherein the server apparatus includes a controller which returns a telephone terminal which has become an extra state of the standards to a state in the standards, when the sate in the standards changes into the extra state of the standards in a state in which call connections among a plurality of telephone terminals connected to telephone exchange apparatuses different from one another.
Gowling Lafleur Henderson Llp
Kabushiki Kaisha Toshiba
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