JPS6474893A - Key telephone system - Google Patents

Key telephone system

Info

Publication number
JPS6474893A
JPS6474893A JP23115187A JP23115187A JPS6474893A JP S6474893 A JPS6474893 A JP S6474893A JP 23115187 A JP23115187 A JP 23115187A JP 23115187 A JP23115187 A JP 23115187A JP S6474893 A JPS6474893 A JP S6474893A
Authority
JP
Japan
Prior art keywords
line
ncc
circuit
charge
memory
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP23115187A
Other languages
Japanese (ja)
Inventor
Masashi Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP23115187A priority Critical patent/JPS6474893A/en
Publication of JPS6474893A publication Critical patent/JPS6474893A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To give freedom from care concerning a charge to a calling person by displaying the using of a secondary NTT (NCC) line with using a character or another identifying means to a display when a selected line is the NCC line in a key telephone system having function to automatically select the line of a minimum charge. CONSTITUTION:An LCR memory is provided in a control circuit 3 to constitute a main device A and necessary data are registered to this memory in advance. when data are sent from a data transmitting and receiving circuit 10, which constitutes a telephone set B, to a transmitting and receiving circuit 4 of the main device A, the line of the minimum call charge is selected by the LCR memory. After that, when the calling person operates a dial, it is informed a control circuit 11 of the telephone set B that the NCC line is selected and the circuit 13 is driven by the circuit 11. Then, the character of NCC is displayed. At such a time, when the NTT line is the minimum charge, a telephone number is sent to a trunk line 1 as it is and only a dial number is displayed without displaying an identifying signal.
JP23115187A 1987-09-17 1987-09-17 Key telephone system Pending JPS6474893A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23115187A JPS6474893A (en) 1987-09-17 1987-09-17 Key telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23115187A JPS6474893A (en) 1987-09-17 1987-09-17 Key telephone system

Publications (1)

Publication Number Publication Date
JPS6474893A true JPS6474893A (en) 1989-03-20

Family

ID=16919093

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23115187A Pending JPS6474893A (en) 1987-09-17 1987-09-17 Key telephone system

Country Status (1)

Country Link
JP (1) JPS6474893A (en)

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