JPS5869193A - 電話交換器 - Google Patents

電話交換器

Info

Publication number
JPS5869193A
JPS5869193A JP16727881A JP16727881A JPS5869193A JP S5869193 A JPS5869193 A JP S5869193A JP 16727881 A JP16727881 A JP 16727881A JP 16727881 A JP16727881 A JP 16727881A JP S5869193 A JPS5869193 A JP S5869193A
Authority
JP
Japan
Prior art keywords
circuit
telephone
line
call
necessary
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
JP16727881A
Other languages
English (en)
Japanese (ja)
Other versions
JPH038157B2 (en:Method
Inventor
Shigeo Seki
関　滋夫
Harukiyo Kano
鹿野　春清
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 JP16727881A priority Critical patent/JPS5869193A/ja
Publication of JPS5869193A publication Critical patent/JPS5869193A/ja
Publication of JPH038157B2 publication Critical patent/JPH038157B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements 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)
  • Exchange Systems With Centralized Control (AREA)
JP16727881A 1981-10-21 1981-10-21 電話交換器 Granted JPS5869193A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16727881A JPS5869193A (ja) 1981-10-21 1981-10-21 電話交換器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16727881A JPS5869193A (ja) 1981-10-21 1981-10-21 電話交換器

Publications (2)

Publication Number Publication Date
JPS5869193A true JPS5869193A (ja) 1983-04-25
JPH038157B2 JPH038157B2 (en:Method) 1991-02-05

Family

ID=15846774

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16727881A Granted JPS5869193A (ja) 1981-10-21 1981-10-21 電話交換器

Country Status (1)

Country Link
JP (1) JPS5869193A (en:Method)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2602384A1 (fr) * 1986-08-04 1988-02-05 Acsys Sa Serveur de messagerie vocale associe a un autocommutateur prive
FR2634038A1 (fr) * 1988-07-08 1990-01-12 Js Telecommunications Micro-ordinateur integrant une terminaison numerique d'abonne de reseau numerique a integration de services
WO1994008430A1 (en) * 1992-09-29 1994-04-14 Excel, Inc. Programmable telecommunication switch for personal computer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56152389A (en) * 1980-04-25 1981-11-25 Nec Corp Control system of time division exchange

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56152389A (en) * 1980-04-25 1981-11-25 Nec Corp Control system of time division exchange

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2602384A1 (fr) * 1986-08-04 1988-02-05 Acsys Sa Serveur de messagerie vocale associe a un autocommutateur prive
FR2634038A1 (fr) * 1988-07-08 1990-01-12 Js Telecommunications Micro-ordinateur integrant une terminaison numerique d'abonne de reseau numerique a integration de services
US5014269A (en) * 1988-07-08 1991-05-07 J. S. Telecommunications Microcomputer integrating a digital subscriber terminal for an integrated service digital network
WO1994008430A1 (en) * 1992-09-29 1994-04-14 Excel, Inc. Programmable telecommunication switch for personal computer
US5321744A (en) * 1992-09-29 1994-06-14 Excel, Inc. Programmable telecommunication switch for personal computer
US5598409A (en) * 1992-09-29 1997-01-28 Excel, Inc. Programmable telecommunications switch for personal computer

Also Published As

Publication number Publication date
JPH038157B2 (en:Method) 1991-02-05

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