JPS55136762A - Connection system of interruption camp-on - Google Patents

Connection system of interruption camp-on

Info

Publication number
JPS55136762A
JPS55136762A JP4400379A JP4400379A JPS55136762A JP S55136762 A JPS55136762 A JP S55136762A JP 4400379 A JP4400379 A JP 4400379A JP 4400379 A JP4400379 A JP 4400379A JP S55136762 A JPS55136762 A JP S55136762A
Authority
JP
Japan
Prior art keywords
exclusive
connection
line
camp
trunk
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
JP4400379A
Other languages
Japanese (ja)
Inventor
Masakazu Sugino
Yuji Matsuoka
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 JP4400379A priority Critical patent/JPS55136762A/en
Publication of JPS55136762A publication Critical patent/JPS55136762A/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)

Abstract

PURPOSE:To enable to interrupt to the extension of busy line even with busy line, by adding the interruption camp-on function with the exclusive line trunk between the master and slave stations. CONSTITUTION:When the incoming call from the office line to the slave station is present to the master exchanger, connection is made to the exclusive trunk TLA- A via the exclusive line connection unit TTU. Then, the outgoing register OR is started as if the exclusive trunk TLT-B of the slave station performed calling connection, for connection with the called extension. If the extension is busy, the exclusive trunk TLT-B idenfifies this and camp-on connection is made.
JP4400379A 1979-04-11 1979-04-11 Connection system of interruption camp-on Pending JPS55136762A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4400379A JPS55136762A (en) 1979-04-11 1979-04-11 Connection system of interruption camp-on

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4400379A JPS55136762A (en) 1979-04-11 1979-04-11 Connection system of interruption camp-on

Publications (1)

Publication Number Publication Date
JPS55136762A true JPS55136762A (en) 1980-10-24

Family

ID=12679520

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4400379A Pending JPS55136762A (en) 1979-04-11 1979-04-11 Connection system of interruption camp-on

Country Status (1)

Country Link
JP (1) JPS55136762A (en)

Similar Documents

Publication Publication Date Title
GB687397A (en) Improvements in or relating to telephone exchange systems
JPS55136762A (en) Connection system of interruption camp-on
JPS5386102A (en) Selective exchange system
JPS551731A (en) Absence transfer system
JPS53136907A (en) Automatic transfer system
JPS53128206A (en) Loop transmission system
JPS54116809A (en) Preventive system for infinite transfer of incoming transfer call
JPS5414606A (en) Forced release system for incoming and tandem station
JPS5348402A (en) Automatic telephone service system for convention
JPS52125213A (en) Absence transfer system
JPS5220712A (en) Call waiting system
JPS51117808A (en) Incoming call transfer service system
SE311939B (en)
JPS542604A (en) Originating subscriber confirmation system
JPS53100704A (en) Waiting-time connection system
JPS57188171A (en) Master and slave public telephone system
JPS5650660A (en) Incoming call centralized answer system
GB1480221A (en) Telephone intercommunication systems
JPS5673997A (en) Extension transmission restricting system
JPS547807A (en) Night transfer system
JPS551726A (en) Path selection system in exchanging network
JPS54908A (en) Centralized response telephone set
JPS5379414A (en) Non-delay connection system
JPS6430393A (en) Public network detouring system for exchange relay line
JPS53101909A (en) Delay call transfer system of automatic exchange