JPS6343957B2 - - Google Patents

Info

Publication number
JPS6343957B2
JPS6343957B2 JP2612380A JP2612380A JPS6343957B2 JP S6343957 B2 JPS6343957 B2 JP S6343957B2 JP 2612380 A JP2612380 A JP 2612380A JP 2612380 A JP2612380 A JP 2612380A JP S6343957 B2 JPS6343957 B2 JP S6343957B2
Authority
JP
Japan
Prior art keywords
circuit
line
telephone
extension
signal
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
JP2612380A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56122588A (en
Inventor
Koichi Sekiguchi
Seiya Uchida
Kazuyuki Yamamoto
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
Iwasaki Tsushinki KK
Original Assignee
Nippon Telegraph and Telephone Corp
Iwasaki Tsushinki 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 Nippon Telegraph and Telephone Corp, Iwasaki Tsushinki KK filed Critical Nippon Telegraph and Telephone Corp
Priority to JP2612380A priority Critical patent/JPS56122588A/ja
Publication of JPS56122588A publication Critical patent/JPS56122588A/ja
Publication of JPS6343957B2 publication Critical patent/JPS6343957B2/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

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)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP2612380A 1980-03-04 1980-03-04 Control system for connection between telephone set Granted JPS56122588A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2612380A JPS56122588A (en) 1980-03-04 1980-03-04 Control system for connection between telephone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2612380A JPS56122588A (en) 1980-03-04 1980-03-04 Control system for connection between telephone set

Publications (2)

Publication Number Publication Date
JPS56122588A JPS56122588A (en) 1981-09-26
JPS6343957B2 true JPS6343957B2 (enrdf_load_stackoverflow) 1988-09-01

Family

ID=12184783

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2612380A Granted JPS56122588A (en) 1980-03-04 1980-03-04 Control system for connection between telephone set

Country Status (1)

Country Link
JP (1) JPS56122588A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5922498A (ja) * 1982-07-29 1984-02-04 Toshiba Corp 回線共用電話システム
JPS61218295A (ja) * 1985-03-25 1986-09-27 Nitsuko Ltd ボタン電話装置間接続方式
JPS61218294A (ja) * 1985-03-25 1986-09-27 Nitsuko Ltd ボタン電話装置間接続方式
JPH08331616A (ja) * 1995-05-31 1996-12-13 Nec Corp 非同期転送モードを用いたマルチプロセッサ制御方式のデジタル構内交換機

Also Published As

Publication number Publication date
JPS56122588A (en) 1981-09-26

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