JPS61257052A - 電話交換台制御方式 - Google Patents

電話交換台制御方式

Info

Publication number
JPS61257052A
JPS61257052A JP9906785A JP9906785A JPS61257052A JP S61257052 A JPS61257052 A JP S61257052A JP 9906785 A JP9906785 A JP 9906785A JP 9906785 A JP9906785 A JP 9906785A JP S61257052 A JPS61257052 A JP S61257052A
Authority
JP
Japan
Prior art keywords
isdn
signal
trunk
switchboard
telephone exchange
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
JP9906785A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0466142B2 (fr
Inventor
Tsutomu Iwata
岩田　力
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
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 filed Critical NEC Corp
Priority to JP9906785A priority Critical patent/JPS61257052A/ja
Publication of JPS61257052A publication Critical patent/JPS61257052A/ja
Publication of JPH0466142B2 publication Critical patent/JPH0466142B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
JP9906785A 1985-05-10 1985-05-10 電話交換台制御方式 Granted JPS61257052A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9906785A JPS61257052A (ja) 1985-05-10 1985-05-10 電話交換台制御方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9906785A JPS61257052A (ja) 1985-05-10 1985-05-10 電話交換台制御方式

Publications (2)

Publication Number Publication Date
JPS61257052A true JPS61257052A (ja) 1986-11-14
JPH0466142B2 JPH0466142B2 (fr) 1992-10-22

Family

ID=14237466

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9906785A Granted JPS61257052A (ja) 1985-05-10 1985-05-10 電話交換台制御方式

Country Status (1)

Country Link
JP (1) JPS61257052A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01166660A (ja) * 1987-12-22 1989-06-30 Nec Corp デイジタル交換台制御方式
JPH03278662A (ja) * 1990-03-28 1991-12-10 Nec Corp 緊急特番呼受付処理方式
JPH04306948A (ja) * 1990-11-15 1992-10-29 American Teleph & Telegr Co <Att> 情報有効性調査方法とその装置
US5457693A (en) * 1991-06-20 1995-10-10 Sharp Kabushiki Kaisha Data terminal control unit including table for efficiently making connections between data terminal equipments and between data terminal equipment and outside lines

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01166660A (ja) * 1987-12-22 1989-06-30 Nec Corp デイジタル交換台制御方式
JPH03278662A (ja) * 1990-03-28 1991-12-10 Nec Corp 緊急特番呼受付処理方式
JPH04306948A (ja) * 1990-11-15 1992-10-29 American Teleph & Telegr Co <Att> 情報有効性調査方法とその装置
US5457693A (en) * 1991-06-20 1995-10-10 Sharp Kabushiki Kaisha Data terminal control unit including table for efficiently making connections between data terminal equipments and between data terminal equipment and outside lines

Also Published As

Publication number Publication date
JPH0466142B2 (fr) 1992-10-22

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