JPH0311708B2 - - Google Patents

Info

Publication number
JPH0311708B2
JPH0311708B2 JP59186383A JP18638384A JPH0311708B2 JP H0311708 B2 JPH0311708 B2 JP H0311708B2 JP 59186383 A JP59186383 A JP 59186383A JP 18638384 A JP18638384 A JP 18638384A JP H0311708 B2 JPH0311708 B2 JP H0311708B2
Authority
JP
Japan
Prior art keywords
telephone
virtual terminal
extension
terminal circuit
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.)
Expired - Lifetime
Application number
JP59186383A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6165654A (ja
Inventor
Yoshihisa Domoto
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 Telecom Technologies 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 Telecom Technologies Ltd filed Critical Hitachi Telecom Technologies Ltd
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 JPS6165654A (ja) 1986-04-04
JPH0311708B2 true JPH0311708B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2953696B2 (ja) * 1988-09-02 1999-09-27 松下電器産業株式会社 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
JP3163563B2 (ja) 1995-08-25 2001-05-08 富士通株式会社 面放電型プラズマ・ディスプレイ・パネル及びその製造方法
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
JP2000308132A (ja) 1999-04-19 2000-11-02 Nec Corp 構内交換システム

Family Cites Families (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
US4446553A (en) * 1981-10-29 1984-05-01 Gte Automatic Electric Labs Inc. Arrangement for multiple custom calling
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

Also Published As

Publication number Publication date
JPS6165654A (ja) 1986-04-04

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term