Invention Application
US20080080366A1 IP telephone system and telephone exchange 审中-公开
IP电话系统和电话交换机

IP telephone system and telephone exchange
Abstract:
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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