| 摘要 |
PROBLEM TO BE SOLVED: To perform correction to a correct telephone number and to perform origination. SOLUTION: A main unit 10 is provided with a CPU 1, a control data transmission/reception circuit 2, a network control circuit 4 and a selection signal generation circuit 3 and a key telephone set 11 is provided with the CPU 6, the control data transmission/reception circuit 5, an LCD 7 for displaying the respective kinds of information and a key 8 for inputting the respective kinds of the information. The network control circuit 4 converts voice transmitted and received with the control data transmission/reception circuit 2, telephone number information inputted from the key telephone set 11 is converted into selection signals in the selection signal generation circuit 3 and a public telephone line is connected by control from the CPU 1.
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