JPS644717B2 - - Google Patents

Info

Publication number
JPS644717B2
JPS644717B2 JP9755281A JP9755281A JPS644717B2 JP S644717 B2 JPS644717 B2 JP S644717B2 JP 9755281 A JP9755281 A JP 9755281A JP 9755281 A JP9755281 A JP 9755281A JP S644717 B2 JPS644717 B2 JP S644717B2
Authority
JP
Japan
Prior art keywords
telephone
button
line
terminal
office line
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
Application number
JP9755281A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57212856A (en
Inventor
Kazuyuki Yamamoto
Juichi Yamazaki
Kenichi Ishii
Teruyuki Kubo
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP9755281A priority Critical patent/JPS57212856A/ja
Publication of JPS57212856A publication Critical patent/JPS57212856A/ja
Publication of JPS644717B2 publication Critical patent/JPS644717B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP9755281A 1981-06-25 1981-06-25 Terminal adaptor system Granted JPS57212856A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9755281A JPS57212856A (en) 1981-06-25 1981-06-25 Terminal adaptor system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9755281A JPS57212856A (en) 1981-06-25 1981-06-25 Terminal adaptor system

Publications (2)

Publication Number Publication Date
JPS57212856A JPS57212856A (en) 1982-12-27
JPS644717B2 true JPS644717B2 (de) 1989-01-26

Family

ID=14195399

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9755281A Granted JPS57212856A (en) 1981-06-25 1981-06-25 Terminal adaptor system

Country Status (1)

Country Link
JP (1) JPS57212856A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59221098A (ja) * 1983-05-31 1984-12-12 Toshiba Corp ボタン電話装置の端末インタフエ−ス装置
JPS6096992A (ja) * 1983-10-31 1985-05-30 Toshiba Corp ボタン電話装置の主装置と標準電話機とのインタフエ−ス方式
JP2501784B2 (ja) * 1984-02-27 1996-05-29 日本電信電話株式会社 電話システム
JPS61212990A (ja) * 1985-03-18 1986-09-20 Nitsuko Ltd 内線電話機呼出方式
JP2803781B2 (ja) * 1987-05-26 1998-09-24 松下電工株式会社 電話システム

Also Published As

Publication number Publication date
JPS57212856A (en) 1982-12-27

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