Internal line control system

Details Internal line control system Internal line control system

H - Electricity

04

M

H04M 11/06 (2006.01) H04L 12/66 (2006.01) H04M 3/42 (2006.01) H04M 7/00 (2006.01)

Patent

CA 2327919

In an internal line control system, a telephone adapted to communicate using an Internet protocol (IP) and capable of being connected to the Internet via a communication means, includes means for storage of an IP address of a private branch exchange, and means for sending a switching request to the IP address of the private branch exchange while specifying identification information. Concurrently, a private branch exchange having an Internet protocol (IP) and connected to the Internet via a communication means, includes means for storage of a correlation between the IP address of the telephone and an internal line number depending upon the identification information, and means for transmitting, depending upon the correlation between the IP address and the internal line number, a control signal and a speech communication signal for an internal line telephone of the internal line number to an address specified by the IP address. This allows a control to be switched over to an internal line telephone connected to the Internet so as to inherit various types of settings of an internal line telephone directly accommodated in the private branch exchange.

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