PURPOSE: To quickly and accurately transmit. a dispatch instruction. ;CONSTITUTION: This system is composed of a key input part 1, a memory part 2 for storing the telephone numbers of branch offices and signal codes indicating dispatch instruction contents, a DTMF signal generation part 3 for generating DTMF signals based on the codes, a communication part 4, a display part 5 for displaying keys instructed in the key input part 1, a line interface part 6 for connecting to a telephone circuit 10, a dial part 7 for generating the dial signals of the telephone number, a control part 8, the line interface part 21, the display part 22 for displaying the dispatch instruction contents based on the transmitted DTMF signals, a switching part 23 for turning on/off the operation of an electronic buzzer, the communication part 24, a DTMF detection part 25 for detecting the transmitted DTMF signals and decoding the DTMF signals, a call termination part 26 for automatically terminating a call and the control part 27.;COPYRIGHT: (C)1995,JPO
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