JPS5227307A - Trunk starting system - Google Patents

Trunk starting system

Info

Publication number
JPS5227307A
JPS5227307A JP10299375A JP10299375A JPS5227307A JP S5227307 A JPS5227307 A JP S5227307A JP 10299375 A JP10299375 A JP 10299375A JP 10299375 A JP10299375 A JP 10299375A JP S5227307 A JPS5227307 A JP S5227307A
Authority
JP
Japan
Prior art keywords
trunk
starting system
trunk starting
economization
attaining
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
JP10299375A
Other languages
Japanese (ja)
Inventor
Morihiro Sato
Naruhito Toyonaga
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10299375A priority Critical patent/JPS5227307A/en
Publication of JPS5227307A publication Critical patent/JPS5227307A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)

Abstract

PURPOSE:To make start the trunk which is stored in the subscriber's side terminal of the main frame without the help of the trunk block connector, thus deleting the trunk starting circuit of line side and attaining economization of the equipment.
JP10299375A 1975-08-27 1975-08-27 Trunk starting system Pending JPS5227307A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10299375A JPS5227307A (en) 1975-08-27 1975-08-27 Trunk starting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10299375A JPS5227307A (en) 1975-08-27 1975-08-27 Trunk starting system

Publications (1)

Publication Number Publication Date
JPS5227307A true JPS5227307A (en) 1977-03-01

Family

ID=14342209

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10299375A Pending JPS5227307A (en) 1975-08-27 1975-08-27 Trunk starting system

Country Status (1)

Country Link
JP (1) JPS5227307A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5019184A (en) * 1973-06-22 1975-02-28
JPS6441753U (en) * 1987-09-08 1989-03-13

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5019184A (en) * 1973-06-22 1975-02-28
JPS6441753U (en) * 1987-09-08 1989-03-13

Similar Documents

Publication Publication Date Title
JPS51132708A (en) Method of automatically connecting two subscriber*s telephones
JPS5328317A (en) Control system of subscriber's calling signal
JPS5227307A (en) Trunk starting system
JPS52139302A (en) Automatic circuit switching unit
JPS5230304A (en) Asynchronous terminal connection method
JPS51147103A (en) Subscriber*s circuit with key dialling device energized via connection wire
JPS5213706A (en) Key telephone system
JPS51128205A (en) Telephone device
JPS5432909A (en) Abbreviated dialing system
JPS52139310A (en) Subscriber circuit
JPS51138308A (en) Charging system
JPS5283009A (en) Connecting system for incoming during communication
JPS5227203A (en) Electric striction-type coordinate selector
JPS5342606A (en) Telephone set
JPS523319A (en) Crosstalk reduction system
JPS5232205A (en) Circuit connecting equipment
JPS51132909A (en) Call back method of an electronic switchboard
JPS533005A (en) Function termination system
JPS5355905A (en) Automatic dialing system
JPS5420603A (en) Block system of exchange against subscriber's circuit
JPS5238801A (en) Automatic call connection device
JPS5351908A (en) Caller identification system for party line telephone
JPS52122020A (en) Calling signal system
JPS52127106A (en) Trunk connecting system for tone
JPS51130107A (en) Connection system of the switchboard