JPS5419310A - Outgoing restriction system for unimportant subscriber - Google Patents

Outgoing restriction system for unimportant subscriber

Info

Publication number
JPS5419310A
JPS5419310A JP8356077A JP8356077A JPS5419310A JP S5419310 A JPS5419310 A JP S5419310A JP 8356077 A JP8356077 A JP 8356077A JP 8356077 A JP8356077 A JP 8356077A JP S5419310 A JPS5419310 A JP S5419310A
Authority
JP
Japan
Prior art keywords
unimportant
subscribers
subscriber
restriction system
outgoing restriction
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
JP8356077A
Other languages
Japanese (ja)
Other versions
JPS5816784B2 (en
Inventor
Naoki Koshida
Kazuhiro Kasama
Seishiro Oguchi
Ayafumi Komatsu
Shoichi Yajima
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
Hitachi Ltd
NEC Corp
Oki Electric Industry Co Ltd
NTT Inc
Original Assignee
Fujitsu Ltd
Hitachi Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
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 Fujitsu Ltd, Hitachi Ltd, NEC Corp, Nippon Telegraph and Telephone Corp, Oki Electric Industry Co Ltd, Nippon Electric Co Ltd filed Critical Fujitsu Ltd
Priority to JP52083560A priority Critical patent/JPS5816784B2/en
Publication of JPS5419310A publication Critical patent/JPS5419310A/en
Publication of JPS5816784B2 publication Critical patent/JPS5816784B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/71—Substation extension arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)

Abstract

PURPOSE:To stop the outgoing call detection for unimportant subscribers, by collating and identifying important subscribers from unimportant subscribers in a collation circuit, and by making effectively ineffective the scanning for the outgoing call inspection for unimportant subscribers through controlling the gate circuits.
JP52083560A 1977-07-14 1977-07-14 Call restriction method for non-important subscribers Expired JPS5816784B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52083560A JPS5816784B2 (en) 1977-07-14 1977-07-14 Call restriction method for non-important subscribers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52083560A JPS5816784B2 (en) 1977-07-14 1977-07-14 Call restriction method for non-important subscribers

Publications (2)

Publication Number Publication Date
JPS5419310A true JPS5419310A (en) 1979-02-14
JPS5816784B2 JPS5816784B2 (en) 1983-04-02

Family

ID=13805889

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52083560A Expired JPS5816784B2 (en) 1977-07-14 1977-07-14 Call restriction method for non-important subscribers

Country Status (1)

Country Link
JP (1) JPS5816784B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5817373A (en) * 1981-07-23 1983-02-01 Mitsubishi Electric Corp Selection circuit for quantity of electricity
JPS5866451A (en) * 1981-10-15 1983-04-20 Matsushita Electric Ind Co Ltd Automatic switchboard

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5817373A (en) * 1981-07-23 1983-02-01 Mitsubishi Electric Corp Selection circuit for quantity of electricity
JPS5866451A (en) * 1981-10-15 1983-04-20 Matsushita Electric Ind Co Ltd Automatic switchboard

Also Published As

Publication number Publication date
JPS5816784B2 (en) 1983-04-02

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