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JPS5422108A - Subscriber blocking system - Google Patents

Subscriber blocking system

Info

Publication number
JPS5422108A
JPS5422108A JP8699677A JP8699677A JPS5422108A JP S5422108 A JPS5422108 A JP S5422108A JP 8699677 A JP8699677 A JP 8699677A JP 8699677 A JP8699677 A JP 8699677A JP S5422108 A JPS5422108 A JP S5422108A
Authority
JP
Japan
Prior art keywords
blocking system
subscriber
subscriber blocking
general command
discriminating
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
JP8699677A
Other languages
Japanese (ja)
Inventor
Yutaka Kondo
Shigeki Hashimoto
Shinichi Tajima
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 JP8699677A priority Critical patent/JPS5422108A/en
Publication of JPS5422108A publication Critical patent/JPS5422108A/en
Pending 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 secure a blocking control without affecting the operation of the exchange by discriminating the normal call from the general command in response to the signal which is generated at the general command transmission time.
JP8699677A 1977-07-20 1977-07-20 Subscriber blocking system Pending JPS5422108A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8699677A JPS5422108A (en) 1977-07-20 1977-07-20 Subscriber blocking system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8699677A JPS5422108A (en) 1977-07-20 1977-07-20 Subscriber blocking system

Publications (1)

Publication Number Publication Date
JPS5422108A true JPS5422108A (en) 1979-02-19

Family

ID=13902477

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8699677A Pending JPS5422108A (en) 1977-07-20 1977-07-20 Subscriber blocking system

Country Status (1)

Country Link
JP (1) JPS5422108A (en)

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