| 摘要 |
PURPOSE:To improve operability, by displaying a message by providing a display control means corresponding to the operation information of a caller and a caller such as a reception call, a response operation, an outgoing operation, a speech path switching operation, and a call completing operation, etc. CONSTITUTION:At the front plane of a main body 1, a handset 2 which constitutes a call transmission/reception part consisting of a speaker and a microphone, etc., is mounted loadably/unloadably freely, and also, a display part 3, screen keys SK1..., and ten keys 4 are provided. The off-hook of the handset, the key of a line wire button, and the screen key SK1, etc., and the available state of a system, etc., are inputted from a telephone block 16 to a host CPU11. The CPU11 controls the display part 3 so that the message display such as the state display. the operation state display, and the operation guide, etc., of the system can be displayed on the display part 3 corresponding to the operation information of the caller and the caller such as the reception call, the response operation, the outgoing operation, the call switching operation, and the call completing operation, etc. By the display of an operation and display part 7, it is possible to improve the operability.
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