JPS51120103A - Malicious call detection system - Google Patents

Malicious call detection system

Info

Publication number
JPS51120103A
JPS51120103A JP4545375A JP4545375A JPS51120103A JP S51120103 A JPS51120103 A JP S51120103A JP 4545375 A JP4545375 A JP 4545375A JP 4545375 A JP4545375 A JP 4545375A JP S51120103 A JPS51120103 A JP S51120103A
Authority
JP
Japan
Prior art keywords
detection system
call detection
malicious call
malicious
identify
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
JP4545375A
Other languages
Japanese (ja)
Inventor
Tomoo Okada
Reiji Watanabe
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP4545375A priority Critical patent/JPS51120103A/en
Publication of JPS51120103A publication Critical patent/JPS51120103A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/72Finding out and indicating number of calling subscriber

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)

Abstract

PURPOSE:To make it possible to identify at once the originating public telephone.
JP4545375A 1975-04-14 1975-04-14 Malicious call detection system Pending JPS51120103A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4545375A JPS51120103A (en) 1975-04-14 1975-04-14 Malicious call detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4545375A JPS51120103A (en) 1975-04-14 1975-04-14 Malicious call detection system

Publications (1)

Publication Number Publication Date
JPS51120103A true JPS51120103A (en) 1976-10-21

Family

ID=12719756

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4545375A Pending JPS51120103A (en) 1975-04-14 1975-04-14 Malicious call detection system

Country Status (1)

Country Link
JP (1) JPS51120103A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0368098A (en) * 1989-08-08 1991-03-25 Mitsubishi Electric Corp Crime preventing system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0368098A (en) * 1989-08-08 1991-03-25 Mitsubishi Electric Corp Crime preventing system

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