| 摘要 |
PROBLEM TO BE SOLVED: To select voice communication or communication not using a voice signal even without the provision of a dial key. SOLUTION: A setting storage circuit 20 stores an incoming number for using a voice signal and an incoming number for not using a voice signal and when a handset is connected to an external connection terminal 16, a voice circuit 14 outputs a control signal 32 to a control section 18, the setting storage circuit 20 selects the incoming number for using a voice signal and a call request according to the selected incoming call number is outputted to a private branch of exchange 26. On the other hand, when the handset is not connected to the external connection terminal 16, the setting storage circuit 20 selects the incoming number for not using a voice signal and the dialing request according to the selected incoming number is outputted to the private branch of exchange 26. |
