JPS5210011A - Public one-side call information service system - Google Patents

Public one-side call information service system

Info

Publication number
JPS5210011A
JPS5210011A JP8639275A JP8639275A JPS5210011A JP S5210011 A JPS5210011 A JP S5210011A JP 8639275 A JP8639275 A JP 8639275A JP 8639275 A JP8639275 A JP 8639275A JP S5210011 A JPS5210011 A JP S5210011A
Authority
JP
Japan
Prior art keywords
public
service system
information service
call information
side call
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
JP8639275A
Other languages
Japanese (ja)
Inventor
Koji Motonaga
Hiroyasu Ito
Juichi Hamano
Osamu Oota
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
Nippon Telegraph and Telephone Corp
Original Assignee
NEC Corp
Nippon Telegraph and Telephone Corp
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 NEC Corp, Nippon Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP8639275A priority Critical patent/JPS5210011A/en
Publication of JPS5210011A publication Critical patent/JPS5210011A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)

Abstract

PURPOSE:To inform by talkie to the caller of public telephone from the operator desk of special number switchboard that connection is impossible.
JP8639275A 1975-07-15 1975-07-15 Public one-side call information service system Pending JPS5210011A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8639275A JPS5210011A (en) 1975-07-15 1975-07-15 Public one-side call information service system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8639275A JPS5210011A (en) 1975-07-15 1975-07-15 Public one-side call information service system

Publications (1)

Publication Number Publication Date
JPS5210011A true JPS5210011A (en) 1977-01-26

Family

ID=13885591

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8639275A Pending JPS5210011A (en) 1975-07-15 1975-07-15 Public one-side call information service system

Country Status (1)

Country Link
JP (1) JPS5210011A (en)

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