JPS57104356A - Private branch exchange - Google Patents

Private branch exchange

Info

Publication number
JPS57104356A
JPS57104356A JP18159980A JP18159980A JPS57104356A JP S57104356 A JPS57104356 A JP S57104356A JP 18159980 A JP18159980 A JP 18159980A JP 18159980 A JP18159980 A JP 18159980A JP S57104356 A JPS57104356 A JP S57104356A
Authority
JP
Japan
Prior art keywords
park
detector
incoming calls
display
holding
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
JP18159980A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6237587B2 (enExample
Inventor
Koichiro Yabu
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP18159980A priority Critical patent/JPS57104356A/ja
Publication of JPS57104356A publication Critical patent/JPS57104356A/ja
Publication of JPS6237587B2 publication Critical patent/JPS6237587B2/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
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP18159980A 1980-12-22 1980-12-22 Private branch exchange Granted JPS57104356A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18159980A JPS57104356A (en) 1980-12-22 1980-12-22 Private branch exchange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18159980A JPS57104356A (en) 1980-12-22 1980-12-22 Private branch exchange

Publications (2)

Publication Number Publication Date
JPS57104356A true JPS57104356A (en) 1982-06-29
JPS6237587B2 JPS6237587B2 (enExample) 1987-08-13

Family

ID=16103620

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18159980A Granted JPS57104356A (en) 1980-12-22 1980-12-22 Private branch exchange

Country Status (1)

Country Link
JP (1) JPS57104356A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59172876A (ja) * 1983-03-18 1984-09-29 Nec Eng Ltd 起呼者識別表示装置を有する交換機
JPS60111594A (ja) * 1983-11-21 1985-06-18 Miyakawa Seisakusho:Kk 保留回線に対する再応答方式

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
FOCUSPHONE USERS MANUAL=S55 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59172876A (ja) * 1983-03-18 1984-09-29 Nec Eng Ltd 起呼者識別表示装置を有する交換機
JPS60111594A (ja) * 1983-11-21 1985-06-18 Miyakawa Seisakusho:Kk 保留回線に対する再応答方式

Also Published As

Publication number Publication date
JPS6237587B2 (enExample) 1987-08-13

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