JPS5686567A - Display system of incoming call of branch board - Google Patents

Display system of incoming call of branch board

Info

Publication number
JPS5686567A
JPS5686567A JP16376479A JP16376479A JPS5686567A JP S5686567 A JPS5686567 A JP S5686567A JP 16376479 A JP16376479 A JP 16376479A JP 16376479 A JP16376479 A JP 16376479A JP S5686567 A JPS5686567 A JP S5686567A
Authority
JP
Japan
Prior art keywords
incoming call
operator
audible signal
relay
display system
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
JP16376479A
Other languages
Japanese (ja)
Inventor
Yasuo Miyahara
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 JP16376479A priority Critical patent/JPS5686567A/en
Publication of JPS5686567A publication Critical patent/JPS5686567A/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)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)

Abstract

PURPOSE:To display incoming call to the operator, by detecting the incoming call to the attendant board in a telephone exchanger and transmitting audible signal to the handset for the operator of the attendant board. CONSTITUTION:When a call is incoming to the attendant board, the relay ID is driven with a controller for self-hole. The channel B is connected to an audible signal generator TG via the make sides of the contacts id<0> and id<1> of the relay ID and via the signal channel C of the audible signal to transmit audible signal to the handset of the operator of the attendant board. When the operator responds to the incoming call, the contact ans is open and the relay ID is restored.
JP16376479A 1979-12-17 1979-12-17 Display system of incoming call of branch board Pending JPS5686567A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16376479A JPS5686567A (en) 1979-12-17 1979-12-17 Display system of incoming call of branch board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16376479A JPS5686567A (en) 1979-12-17 1979-12-17 Display system of incoming call of branch board

Publications (1)

Publication Number Publication Date
JPS5686567A true JPS5686567A (en) 1981-07-14

Family

ID=15780257

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16376479A Pending JPS5686567A (en) 1979-12-17 1979-12-17 Display system of incoming call of branch board

Country Status (1)

Country Link
JP (1) JPS5686567A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5817760A (en) * 1981-07-24 1983-02-02 Fujitsu Ltd Incoming call noticing system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4929904A (en) * 1972-07-20 1974-03-16

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4929904A (en) * 1972-07-20 1974-03-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5817760A (en) * 1981-07-24 1983-02-02 Fujitsu Ltd Incoming call noticing system

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