JPS5385106A - Trunk reservation system - Google Patents

Trunk reservation system

Info

Publication number
JPS5385106A
JPS5385106A JP16677A JP16677A JPS5385106A JP S5385106 A JPS5385106 A JP S5385106A JP 16677 A JP16677 A JP 16677A JP 16677 A JP16677 A JP 16677A JP S5385106 A JPS5385106 A JP S5385106A
Authority
JP
Japan
Prior art keywords
reservation system
trunk reservation
alternative
trunk
provision
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
JP16677A
Other languages
Japanese (ja)
Other versions
JPS5639755B2 (en
Inventor
Tahei Suzuki
Masao Wanami
Hiromichi Ono
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
Nippon Telegraph and Telephone Corp
Original Assignee
Hitachi Ltd
Nippon Telegraph and Telephone Corp
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, Nippon Telegraph and Telephone Corp filed Critical Hitachi Ltd
Priority to JP16677A priority Critical patent/JPS5385106A/en
Publication of JPS5385106A publication Critical patent/JPS5385106A/en
Publication of JPS5639755B2 publication Critical patent/JPS5639755B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/42Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Monitoring And Testing Of Exchanges (AREA)

Abstract

PURPOSE:To improve the efficiency of line determination in the automatic exchange network by limiting alternative provision call which passes through an alternative route when alternative provision is given at an abnormal time.
JP16677A 1977-01-05 1977-01-05 Trunk reservation system Granted JPS5385106A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16677A JPS5385106A (en) 1977-01-05 1977-01-05 Trunk reservation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16677A JPS5385106A (en) 1977-01-05 1977-01-05 Trunk reservation system

Publications (2)

Publication Number Publication Date
JPS5385106A true JPS5385106A (en) 1978-07-27
JPS5639755B2 JPS5639755B2 (en) 1981-09-16

Family

ID=11466439

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16677A Granted JPS5385106A (en) 1977-01-05 1977-01-05 Trunk reservation system

Country Status (1)

Country Link
JP (1) JPS5385106A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5658389A (en) * 1979-10-18 1981-05-21 Nec Corp Trunk selecting system
JPS58141062A (en) * 1982-02-16 1983-08-22 Nippon Telegr & Teleph Corp <Ntt> Control system for important call connection

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS499108A (en) * 1972-05-11 1974-01-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS499108A (en) * 1972-05-11 1974-01-26

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5658389A (en) * 1979-10-18 1981-05-21 Nec Corp Trunk selecting system
JPS58141062A (en) * 1982-02-16 1983-08-22 Nippon Telegr & Teleph Corp <Ntt> Control system for important call connection
JPH0124389B2 (en) * 1982-02-16 1989-05-11 Nippon Telegraph & Telephone

Also Published As

Publication number Publication date
JPS5639755B2 (en) 1981-09-16

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