| 摘要 |
According to one embodiment, a telephone exchange apparatus includes a memory which stores a management table in which a terminal ID specifying a first telephone terminal and a terminal ID specifying a second telephone terminal are related with each other, when an operation key to receive an incoming call from the second telephone terminal by the first telephone terminal on the highest priority in a state in which a call connection has established between the first telephone terminal and the second telephone terminal among the plurality of telephone terminals, and a controller which refers to the management table based on a terminal ID of an outgoing call origin included in the incoming call when an incoming call destined to the first telephone terminal reaches, and executes incoming call control to the first telephone terminal only when the reference result shows that an outgoing call origin is the second telephone terminal.
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