JPS57203392A - Trunk route selecting system of telephone exchange - Google Patents

Trunk route selecting system of telephone exchange

Info

Publication number
JPS57203392A
JPS57203392A JP8868281A JP8868281A JPS57203392A JP S57203392 A JPS57203392 A JP S57203392A JP 8868281 A JP8868281 A JP 8868281A JP 8868281 A JP8868281 A JP 8868281A JP S57203392 A JPS57203392 A JP S57203392A
Authority
JP
Japan
Prior art keywords
trunk
subscriber
trunk route
telephone exchange
stores
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
JP8868281A
Other languages
English (en)
Other versions
JPS6149880B2 (ja
Inventor
Takakatsu Miyoshi
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 JP8868281A priority Critical patent/JPS57203392A/ja
Publication of JPS57203392A publication Critical patent/JPS57203392A/ja
Publication of JPS6149880B2 publication Critical patent/JPS6149880B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/58Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625Arrangements 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)
  • Meter Arrangements (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP8868281A 1981-06-09 1981-06-09 Trunk route selecting system of telephone exchange Granted JPS57203392A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8868281A JPS57203392A (en) 1981-06-09 1981-06-09 Trunk route selecting system of telephone exchange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8868281A JPS57203392A (en) 1981-06-09 1981-06-09 Trunk route selecting system of telephone exchange

Publications (2)

Publication Number Publication Date
JPS57203392A true JPS57203392A (en) 1982-12-13
JPS6149880B2 JPS6149880B2 (ja) 1986-10-31

Family

ID=13949594

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8868281A Granted JPS57203392A (en) 1981-06-09 1981-06-09 Trunk route selecting system of telephone exchange

Country Status (1)

Country Link
JP (1) JPS57203392A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63133792A (ja) * 1986-11-26 1988-06-06 Hitachi Ltd 回線ルーチング方法
JPH0247993A (ja) * 1988-08-09 1990-02-16 Nec Corp 回線選択方式
JPH04124999A (ja) * 1990-09-17 1992-04-24 Nec Corp 回線選択方式
JP2007082100A (ja) * 2005-09-16 2007-03-29 Oki Electric Ind Co Ltd 交換機およびそのルーティング制御方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01100885U (ja) * 1987-12-24 1989-07-06

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63133792A (ja) * 1986-11-26 1988-06-06 Hitachi Ltd 回線ルーチング方法
JPH0759098B2 (ja) * 1986-11-26 1995-06-21 株式会社日立製作所 回線ルーチング方法
JPH0247993A (ja) * 1988-08-09 1990-02-16 Nec Corp 回線選択方式
JPH04124999A (ja) * 1990-09-17 1992-04-24 Nec Corp 回線選択方式
JP2007082100A (ja) * 2005-09-16 2007-03-29 Oki Electric Ind Co Ltd 交換機およびそのルーティング制御方法

Also Published As

Publication number Publication date
JPS6149880B2 (ja) 1986-10-31

Similar Documents

Publication Publication Date Title
DE3069009D1 (en) Time division digital communication system
GB1288161A (ja)
JPS57203392A (en) Trunk route selecting system of telephone exchange
GB1320941A (en) Communications switching system
IE871277L (en) Telephone exchange
US2416131A (en) Automatic telephone system
GB1084001A (en) Improvements in or relating to switching networks
GB920072A (en) Communication switching system
US3345465A (en) A composite frame having two threestage crossbar switch link frames
GB1467166A (en) Line switching system
US2573569A (en) Frame and trunk selection
GB1242806A (en) Telecommunication exchange
GB1015359A (en) Telephone switching systems
JPS5780853A (en) Simultaneous call connection system
GB1485629A (en) Telecommunication switching systems
JPS56122293A (en) Trunk reservation system
ES477491A1 (es) Disposicion de circuitos para el almacenamiento centralizadode informaciones.
JPS57181258A (en) Called subscriber searching and calling system
JPS6469149A (en) Extension representative selecting system
JPS55143893A (en) Trunk line route switching system
GB1270908A (en) Telecommunication system
GB1424367A (en) Pcm time division multiplex telecommunications exchange systems
JPS6454861A (en) Variable transfer system
JPS54114013A (en) Call-to-earth designating connection system
JPS5658356A (en) Call waiting connecting system