JPS5363908A - Termination control system - Google Patents

Termination control system

Info

Publication number
JPS5363908A
JPS5363908A JP13832576A JP13832576A JPS5363908A JP S5363908 A JPS5363908 A JP S5363908A JP 13832576 A JP13832576 A JP 13832576A JP 13832576 A JP13832576 A JP 13832576A JP S5363908 A JPS5363908 A JP S5363908A
Authority
JP
Japan
Prior art keywords
control system
termination control
termination
cipher
subscriber
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
JP13832576A
Other languages
Japanese (ja)
Inventor
Isao Shinpo
Sotaro Hiroshima
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP13832576A priority Critical patent/JPS5363908A/en
Publication of JPS5363908A publication Critical patent/JPS5363908A/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
    • H04M3/436—Arrangements for screening incoming calls, i.e. evaluating the characteristics of a call before deciding whether to answer it

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Exchange Systems With Centralized Control (AREA)

Abstract

PURPOSE:To secure a connection of only a specified termination to the subscriber who registered a termination control, by providing a cipher discriminating function.
JP13832576A 1976-11-19 1976-11-19 Termination control system Pending JPS5363908A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13832576A JPS5363908A (en) 1976-11-19 1976-11-19 Termination control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13832576A JPS5363908A (en) 1976-11-19 1976-11-19 Termination control system

Publications (1)

Publication Number Publication Date
JPS5363908A true JPS5363908A (en) 1978-06-07

Family

ID=15219255

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13832576A Pending JPS5363908A (en) 1976-11-19 1976-11-19 Termination control system

Country Status (1)

Country Link
JP (1) JPS5363908A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63108895A (en) * 1986-10-25 1988-05-13 Meisei Electric Co Ltd Dial-in service system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4974409A (en) * 1972-11-17 1974-07-18

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4974409A (en) * 1972-11-17 1974-07-18

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63108895A (en) * 1986-10-25 1988-05-13 Meisei Electric Co Ltd Dial-in service system

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