Apparatus capable of providing multiple telephone numbers for cellular telephone
作者： Chin-Fa Luo
DOI:
关键词: Telephone switchboard 、 Computer hardware 、 Telephone number 、 Computer science 、 Telephone line 、 Dual-tone multi-frequency signaling 、 Class 5 telephone switch 、 Telephone exchange 、 Mobile radio telephone 、 Class 4 telephone switch
摘要: An apparatus capable of providing multiple telephone numbers for a cellular phone includes central processing unit connected to random access memory and two erasable memories. One the memories stores common data all numbers. The other one non-common data. is provided with an external bus input ports coupled telephone. receives reset signal from so as control switching
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