JPS5384608A - Status signal transmitting system of telephone set of key telephone system - Google Patents

Status signal transmitting system of telephone set of key telephone system

Info

Publication number
JPS5384608A
JPS5384608A JP15940176A JP15940176A JPS5384608A JP S5384608 A JPS5384608 A JP S5384608A JP 15940176 A JP15940176 A JP 15940176A JP 15940176 A JP15940176 A JP 15940176A JP S5384608 A JPS5384608 A JP S5384608A
Authority
JP
Japan
Prior art keywords
signal transmitting
telephone
status signal
telephone set
key
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.)
Granted
Application number
JP15940176A
Other languages
Japanese (ja)
Other versions
JPS5853840B2 (en
Inventor
Kozo Murakami
Yasuo Satake
Mitsutoshi Ayano
Shiyunichi Iisaku
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 JP15940176A priority Critical patent/JPS5853840B2/en
Publication of JPS5384608A publication Critical patent/JPS5384608A/en
Publication of JPS5853840B2 publication Critical patent/JPS5853840B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/003—Transmission of control signals from or to the key telephone set; signalling equipment at key telephone set, e.g. keyboard or display equipment

Landscapes

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

Abstract

PURPOSE:To make the proper connection process possible by transmitting the variation information of the operation status of circuit buttons of a teleohone set and the status information of the talking circuit to the exchange.
JP15940176A 1976-12-30 1976-12-30 Telephone status signal transmission method in key telephone system Expired JPS5853840B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15940176A JPS5853840B2 (en) 1976-12-30 1976-12-30 Telephone status signal transmission method in key telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15940176A JPS5853840B2 (en) 1976-12-30 1976-12-30 Telephone status signal transmission method in key telephone system

Publications (2)

Publication Number Publication Date
JPS5384608A true JPS5384608A (en) 1978-07-26
JPS5853840B2 JPS5853840B2 (en) 1983-12-01

Family

ID=15692957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15940176A Expired JPS5853840B2 (en) 1976-12-30 1976-12-30 Telephone status signal transmission method in key telephone system

Country Status (1)

Country Link
JP (1) JPS5853840B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5680951A (en) * 1979-12-05 1981-07-02 Nec Corp Key telephone scanning circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5680951A (en) * 1979-12-05 1981-07-02 Nec Corp Key telephone scanning circuit
JPS6324358B2 (en) * 1979-12-05 1988-05-20 Nippon Electric Co

Also Published As

Publication number Publication date
JPS5853840B2 (en) 1983-12-01

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