JPS6165654A - 自動電話交換方式 - Google Patents

自動電話交換方式

Info

Publication number
JPS6165654A
JPS6165654A JP18638384A JP18638384A JPS6165654A JP S6165654 A JPS6165654 A JP S6165654A JP 18638384 A JP18638384 A JP 18638384A JP 18638384 A JP18638384 A JP 18638384A JP S6165654 A JPS6165654 A JP S6165654A
Authority
JP
Japan
Prior art keywords
virtual terminal
telephone
terminal circuit
extension
call
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
JP18638384A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0311708B2 (en]
Inventor
Yoshihisa Domoto
堂本　義久
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.)
NIPPO TSUSHIN KOGYO KK
Original Assignee
NIPPO TSUSHIN KOGYO KK
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 NIPPO TSUSHIN KOGYO KK filed Critical NIPPO TSUSHIN KOGYO KK
Priority to JP18638384A priority Critical patent/JPS6165654A/ja
Publication of JPS6165654A publication Critical patent/JPS6165654A/ja
Publication of JPH0311708B2 publication Critical patent/JPH0311708B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Exchange Systems With Centralized Control (AREA)
JP18638384A 1984-09-07 1984-09-07 自動電話交換方式 Granted JPS6165654A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18638384A JPS6165654A (ja) 1984-09-07 1984-09-07 自動電話交換方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18638384A JPS6165654A (ja) 1984-09-07 1984-09-07 自動電話交換方式

Publications (2)

Publication Number Publication Date
JPS6165654A true JPS6165654A (ja) 1986-04-04
JPH0311708B2 JPH0311708B2 (en]) 1991-02-18

Family

ID=16187427

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18638384A Granted JPS6165654A (ja) 1984-09-07 1984-09-07 自動電話交換方式

Country Status (1)

Country Link
JP (1) JPS6165654A (en])

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0269094A (ja) * 1988-09-02 1990-03-08 Matsushita Electric Ind Co Ltd 電子交換機
JPH0482497A (ja) * 1990-07-25 1992-03-16 Matsushita Electric Ind Co Ltd ボタン電話装置
US6297590B1 (en) 1995-08-25 2001-10-02 Fujitsu Limited Surface discharge plasma display panel
US6417620B1 (en) 1998-02-02 2002-07-09 Mitsubishi Denki Kabushiki Kaisha Surface discharge plasma display panel having two-dimensional black stripes of specific size and shape
US7127263B1 (en) 1999-04-19 2006-10-24 Nec Corporation Private branch exchange system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5654158A (en) * 1979-10-09 1981-05-14 Hitachi Ltd Control system for call waiting
JPS5884567A (ja) * 1981-10-29 1983-05-20 ジ−・テイ−・イ−・オ−トマテイツク・エレクトリツク・インコ−ポレイテツド 複数のカスタム・コ−ルに対する装置
JPS58146168A (ja) * 1982-02-25 1983-08-31 Nippon Telegr & Teleph Corp <Ntt> 割込通信方式
JPS5970351A (ja) * 1982-10-15 1984-04-20 Fujitsu Ltd 相手話中遭遇時の通話方式

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5654158A (en) * 1979-10-09 1981-05-14 Hitachi Ltd Control system for call waiting
JPS5884567A (ja) * 1981-10-29 1983-05-20 ジ−・テイ−・イ−・オ−トマテイツク・エレクトリツク・インコ−ポレイテツド 複数のカスタム・コ−ルに対する装置
JPS58146168A (ja) * 1982-02-25 1983-08-31 Nippon Telegr & Teleph Corp <Ntt> 割込通信方式
JPS5970351A (ja) * 1982-10-15 1984-04-20 Fujitsu Ltd 相手話中遭遇時の通話方式

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0269094A (ja) * 1988-09-02 1990-03-08 Matsushita Electric Ind Co Ltd 電子交換機
JPH0482497A (ja) * 1990-07-25 1992-03-16 Matsushita Electric Ind Co Ltd ボタン電話装置
US6297590B1 (en) 1995-08-25 2001-10-02 Fujitsu Limited Surface discharge plasma display panel
US6417620B1 (en) 1998-02-02 2002-07-09 Mitsubishi Denki Kabushiki Kaisha Surface discharge plasma display panel having two-dimensional black stripes of specific size and shape
US7127263B1 (en) 1999-04-19 2006-10-24 Nec Corporation Private branch exchange system

Also Published As

Publication number Publication date
JPH0311708B2 (en]) 1991-02-18

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term