JPS5414606A - Forced release system for incoming and tandem station - Google Patents

Forced release system for incoming and tandem station

Info

Publication number
JPS5414606A
JPS5414606A JP8067377A JP8067377A JPS5414606A JP S5414606 A JPS5414606 A JP S5414606A JP 8067377 A JP8067377 A JP 8067377A JP 8067377 A JP8067377 A JP 8067377A JP S5414606 A JPS5414606 A JP S5414606A
Authority
JP
Japan
Prior art keywords
incoming
forced release
release system
tandem station
tandem
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
JP8067377A
Other languages
Japanese (ja)
Other versions
JPS6028427B2 (en
Inventor
Shiyuuji Oka
Hideo Takagi
Takao Matsuyama
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 JP8067377A priority Critical patent/JPS6028427B2/en
Publication of JPS5414606A publication Critical patent/JPS5414606A/en
Publication of JPS6028427B2 publication Critical patent/JPS6028427B2/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/0016Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)

Abstract

PURPOSE:To enable forced release when the called party is busy, by memorizing the subscriber allocated location corresponding to the located position of busy trunk.
JP8067377A 1977-07-05 1977-07-05 Forced disconnection method for incoming calls and tandem stations Expired JPS6028427B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8067377A JPS6028427B2 (en) 1977-07-05 1977-07-05 Forced disconnection method for incoming calls and tandem stations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8067377A JPS6028427B2 (en) 1977-07-05 1977-07-05 Forced disconnection method for incoming calls and tandem stations

Publications (2)

Publication Number Publication Date
JPS5414606A true JPS5414606A (en) 1979-02-03
JPS6028427B2 JPS6028427B2 (en) 1985-07-04

Family

ID=13724867

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8067377A Expired JPS6028427B2 (en) 1977-07-05 1977-07-05 Forced disconnection method for incoming calls and tandem stations

Country Status (1)

Country Link
JP (1) JPS6028427B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01122244A (en) * 1987-11-06 1989-05-15 Hitachi Ltd Preferential call incoming control system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6319345A (en) * 1986-07-08 1988-01-27 東陶機器株式会社 Water feed control apparatus
JPH0547871U (en) * 1991-11-29 1993-06-25 ぺんてる株式会社 Battery voltage detection circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01122244A (en) * 1987-11-06 1989-05-15 Hitachi Ltd Preferential call incoming control system

Also Published As

Publication number Publication date
JPS6028427B2 (en) 1985-07-04

Similar Documents

Publication Publication Date Title
CA1033484A (en) Key telephone system for subscribers
JPS5414606A (en) Forced release system for incoming and tandem station
JPS5386102A (en) Selective exchange system
JPS5414605A (en) Forced release system for outgoing station
JPS5231604A (en) Toll call control system by call-back link
JPS53128206A (en) Loop transmission system
JPS53120208A (en) Remote control test system for subscriber line
JPS5348402A (en) Automatic telephone service system for convention
JPS53136907A (en) Automatic transfer system
JPS542604A (en) Originating subscriber confirmation system
JPS5422705A (en) Extension subscriber calling system
JPS52134308A (en) Incoming call transfer system
JPS51117808A (en) Incoming call transfer service system
JPS5431210A (en) Talkie service system
JPS5390704A (en) Incoming response system
JPS5440506A (en) First ringing control system for time-division exchange
JPS5395507A (en) Transfer information system
CA1035476A (en) Telephone subscriber distribution system
JPS53101909A (en) Delay call transfer system of automatic exchange
JPS53132915A (en) Discrimination system for party line subscriber
JPS52155905A (en) Audio sound synchronism charging system
JPS53137608A (en) Common use system of trunks for call waiting meeting communication
JPS53135206A (en) Telephone repeating system
JPS5222404A (en) Talkie service system during time called side is busy
JPS5379414A (en) Non-delay connection system