Telephone exchange apparatus and method for controlling...

Details Telephone exchange apparatus and method for controlling... Telephone exchange apparatus and method for controlling...

H - Electricity

04

M

H04M 3/42 (2006.01) H04M 1/82 (2006.01) H04M 3/22 (2006.01) H04M 3/54 (2006.01)

Patent

CA 2563888

According to one embodiment, a telephone exchange apparatus includes a first interface unit which houses a plurality of communication channels and at least one control channel and makes communication connections among a plurality of telephone terminals via the communication channels when incoming calls arrive via the control channel, and a second interface unit which is connected to the first interface and has the same function as that of the first interface, wherein the first interface includes a first controller which transfers the incoming calls to the second interface unit based on predetermined conditions when the incoming calls arrive, and the second interface includes a second controller which makes communication connections among the corresponding plurality of the telephone terminals by using free communication channels based on the incoming calls transferred from the first interface unit.

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