JPS56131249A - Mischievous call recording system - Google Patents

Mischievous call recording system

Info

Publication number
JPS56131249A
JPS56131249A JP3427680A JP3427680A JPS56131249A JP S56131249 A JPS56131249 A JP S56131249A JP 3427680 A JP3427680 A JP 3427680A JP 3427680 A JP3427680 A JP 3427680A JP S56131249 A JPS56131249 A JP S56131249A
Authority
JP
Japan
Prior art keywords
call
extension
mischievous
controller
recorder
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.)
Granted
Application number
JP3427680A
Other languages
Japanese (ja)
Other versions
JPS6348216B2 (en
Inventor
Yukiyoshi Kaneko
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP3427680A priority Critical patent/JPS56131249A/en
Publication of JPS56131249A publication Critical patent/JPS56131249A/en
Publication of JPS6348216B2 publication Critical patent/JPS6348216B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)

Abstract

PURPOSE:To enable all extensions to utilize a mischievous call recorder efficiently by connecting a recorder to an automatic switchboard and by recording the contents of the talk of an extension having the call in response to a mischievous call connection request signal from an extension subscriber. CONSTITUTION:When extension A receiving a call from extension B judges the call a mischievous call, extension A uses extension C to dial the mischievous call recording request dial number and its own number. This extension C is connected to register trunk ORT, which sends dial pulses back to central controller CC via trunk controller TKC. When the dial pulses that controller CC has received are judged to indicate a mischievous call interruptive connection, controller CC sends a special tone transmission instruction to trunk ORT to make a connection with extension C. Then, controller CC makes an interruptive call of mischievous call recorder REC with the channels of extensions A and B. Thus, all extensions are enabled to utilize the mischievous call recorder efficiently.
JP3427680A 1980-03-17 1980-03-17 Mischievous call recording system Granted JPS56131249A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3427680A JPS56131249A (en) 1980-03-17 1980-03-17 Mischievous call recording system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3427680A JPS56131249A (en) 1980-03-17 1980-03-17 Mischievous call recording system

Publications (2)

Publication Number Publication Date
JPS56131249A true JPS56131249A (en) 1981-10-14
JPS6348216B2 JPS6348216B2 (en) 1988-09-28

Family

ID=12409632

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3427680A Granted JPS56131249A (en) 1980-03-17 1980-03-17 Mischievous call recording system

Country Status (1)

Country Link
JP (1) JPS56131249A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63187928A (en) * 1987-01-30 1988-08-03 Nippon Telegr & Teleph Corp <Ntt> Communication monitoring method for mobile communication
JPH07183949A (en) * 1993-12-24 1995-07-21 Nec Corp Prankster call prevention system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63187928A (en) * 1987-01-30 1988-08-03 Nippon Telegr & Teleph Corp <Ntt> Communication monitoring method for mobile communication
JPH07183949A (en) * 1993-12-24 1995-07-21 Nec Corp Prankster call prevention system

Also Published As

Publication number Publication date
JPS6348216B2 (en) 1988-09-28

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