JPS56132049A - Bridge cut off system - Google Patents

Bridge cut off system

Info

Publication number
JPS56132049A
JPS56132049A JP3559180A JP3559180A JPS56132049A JP S56132049 A JPS56132049 A JP S56132049A JP 3559180 A JP3559180 A JP 3559180A JP 3559180 A JP3559180 A JP 3559180A JP S56132049 A JPS56132049 A JP S56132049A
Authority
JP
Japan
Prior art keywords
extension
trunk
extb
extensions
exta
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
JP3559180A
Other languages
English (en)
Other versions
JPS6317267B2 (ja
Inventor
Norio Nagai
Yukio Shigeta
Hidekazu Igarashi
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.)
Meisei Electric Co Ltd
Original Assignee
Meisei 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 Meisei Electric Co Ltd filed Critical Meisei Electric Co Ltd
Priority to JP3559180A priority Critical patent/JPS56132049A/ja
Publication of JPS56132049A publication Critical patent/JPS56132049A/ja
Publication of JPS6317267B2 publication Critical patent/JPS6317267B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
JP3559180A 1980-03-19 1980-03-19 Bridge cut off system Granted JPS56132049A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3559180A JPS56132049A (en) 1980-03-19 1980-03-19 Bridge cut off system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3559180A JPS56132049A (en) 1980-03-19 1980-03-19 Bridge cut off system

Publications (2)

Publication Number Publication Date
JPS56132049A true JPS56132049A (en) 1981-10-16
JPS6317267B2 JPS6317267B2 (ja) 1988-04-13

Family

ID=12446026

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3559180A Granted JPS56132049A (en) 1980-03-19 1980-03-19 Bridge cut off system

Country Status (1)

Country Link
JP (1) JPS56132049A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5835153A (ja) * 1981-08-25 1983-03-01 Dainippon Ink & Chem Inc 含フツ素化合物およびその製法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5835153A (ja) * 1981-08-25 1983-03-01 Dainippon Ink & Chem Inc 含フツ素化合物およびその製法
JPH0228590B2 (ja) * 1981-08-25 1990-06-25 Dainippon Inki Kagaku Kogyo Kk

Also Published As

Publication number Publication date
JPS6317267B2 (ja) 1988-04-13

Similar Documents

Publication Publication Date Title
ES474140A1 (es) Perfeccionamientos en conmutadores para interconectar sena- les de llamadas digitales respectivas de trayectos de llama-das de comunicacion diferente.
GB1456235A (en) Digital telecommunications switching systems
JPS5765949A (en) Telephone set with voice synthesizing device
JPS56132049A (en) Bridge cut off system
EP0125744A3 (en) Closed loop telecommunication system
JPS6489846A (en) Communication terminal equipment
JPS5660146A (en) Circuit switchboard with storing function
JPS5765052A (en) Automatic all controller
JPS5652944A (en) Selective inter-call receiver
JPS5739690A (en) Incoming call distribution control system
JPS5765953A (en) Simple night transfer system
JPS56147550A (en) Connection system for substituting response
JPS62146100A (ja) ボタン電話装置
JPS54132105A (en) Incoming call control system
JPS5733862A (en) Calling system
JPS56122294A (en) Trunk line decentralized answer system
JPS5693472A (en) Extension representative group no-response connection system
JPS5642486A (en) Trunk device
JPS56131248A (en) Morning call service system
KR910010973A (ko) 반자동 교환방식
JPS56117459A (en) Telephone device
JPS6469151A (en) Telephone set calling system
JPS6457858A (en) Holding tone sending system
JPS6477394A (en) Automatic selection incoming system
JPS56103566A (en) Digital conference telephone system