JPS56111368A - Extension number displaying system of attendant console - Google Patents

Extension number displaying system of attendant console

Info

Publication number
JPS56111368A
JPS56111368A JP1419380A JP1419380A JPS56111368A JP S56111368 A JPS56111368 A JP S56111368A JP 1419380 A JP1419380 A JP 1419380A JP 1419380 A JP1419380 A JP 1419380A JP S56111368 A JPS56111368 A JP S56111368A
Authority
JP
Japan
Prior art keywords
attendant console
att
extension
control equipment
operator
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
JP1419380A
Other languages
Japanese (ja)
Inventor
Hideji Takagi
Tsutomu Yazaki
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
Original Assignee
NEC 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 Electric Co Ltd filed Critical NEC Corp
Priority to JP1419380A priority Critical patent/JPS56111368A/en
Publication of JPS56111368A publication Critical patent/JPS56111368A/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
    • H04M3/64—Arrangements for signalling the number or class of the calling line to the operator

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)

Abstract

PURPOSE:To reduce a burden of an operator by storing the number of an extension which the operator has dialed, in the attendant console of the automatic switchboard, and displaying said number in case when the extension to be called has not answered. CONSTITUTION:When the incoming to the trunk of trunk line COT is displayed on the attendant console ATT, and an operator operates the response KEY of the ATT, the attendant console ATT and the trunk of trunk line COT are connected via the switching network SW through the central control equipment CC. Subsequently, when the operator dials the number of the extension telephone set A, the central control equipment CC receives the dial information through the peripheral control equipment SPC, and stores the extension number in the memory part STNM. When the central control equipment CC has discriminated that the telephone set A has not answered, control of recall indication to the attendant console ATT is executed, and when the operator answered the recall, the central control equipment CC displayes the extension number on the attendant console ATT.
JP1419380A 1980-02-07 1980-02-07 Extension number displaying system of attendant console Pending JPS56111368A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1419380A JPS56111368A (en) 1980-02-07 1980-02-07 Extension number displaying system of attendant console

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1419380A JPS56111368A (en) 1980-02-07 1980-02-07 Extension number displaying system of attendant console

Publications (1)

Publication Number Publication Date
JPS56111368A true JPS56111368A (en) 1981-09-03

Family

ID=11854278

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1419380A Pending JPS56111368A (en) 1980-02-07 1980-02-07 Extension number displaying system of attendant console

Country Status (1)

Country Link
JP (1) JPS56111368A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59204396A (en) * 1983-05-04 1984-11-19 Nec Corp Key telephone set

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59204396A (en) * 1983-05-04 1984-11-19 Nec Corp Key telephone set

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