JPS6348216B2 - - Google Patents

Info

Publication number
JPS6348216B2
JPS6348216B2 JP3427680A JP3427680A JPS6348216B2 JP S6348216 B2 JPS6348216 B2 JP S6348216B2 JP 3427680 A JP3427680 A JP 3427680A JP 3427680 A JP3427680 A JP 3427680A JP S6348216 B2 JPS6348216 B2 JP S6348216B2
Authority
JP
Japan
Prior art keywords
malicious call
extension
malicious
tela
telephone
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.)
Expired
Application number
JP3427680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56131249A (en
Inventor
Yukyoshi 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
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP3427680A priority Critical patent/JPS56131249A/ja
Publication of JPS56131249A publication Critical patent/JPS56131249A/ja
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)
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 JPS56131249A (en) 1981-10-14
JPS6348216B2 true JPS6348216B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63187928A (ja) * 1987-01-30 1988-08-03 Nippon Telegr & Teleph Corp <Ntt> 移動通信の通信モニタ方法
JPH07183949A (ja) * 1993-12-24 1995-07-21 Nec Corp 迷惑電話防止方式

Also Published As

Publication number Publication date
JPS56131249A (en) 1981-10-14

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