Ip telephone system and telephone exchange

Details Ip telephone system and telephone exchange Ip telephone system and telephone exchange

H - Electricity

04

L

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

Patent

CA 2584440

According to one embodiment, an IP telephone system that enables a first telephone terminal and a second telephone terminal to communicate with each other using an internet protocol, includes: a detection unit that, when the first and second telephone terminals communicate with each other through a first communication route, detects a communication fault in a communication between the first and second telephone terminals; and a controller that switches a communication route from the first communication route to a second communication route different from the first communication route.

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