| 摘要 |
A communication system is disclosed having a portable radio called receiver and a communication apparatus for calling this receiver. The portable radio called receiver includes a display and a tone generating circuit. The communication apparatus includes a determination circuit, a control circuit, a voice signal recording device, a facsimile device, a memory, and a data processing circuit. The determination circuit determines whether a signal entered through a telephone line is a facsimile signal or a voice signal. The memory stores display data indicating the reception of an image signal, display data indicating the reception of a voice signal, and telephone number data of the portable radio called receiver. The control circuit is responsive to the output of the determination circuit to select one of the plurality of display data stored in the memory. The data processing circuit modulates the calling number of the portable radio called receiver and the selected display data and transmits the same on the telephone line. With such a structure, the display of the portable radio called receiver can display whether the received signal of the communication apparatus is an image signal or a voice signal.
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