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JPS6425698A - Private branch exchange with trunk line attendant board - Google Patents

Private branch exchange with trunk line attendant board

Info

Publication number
JPS6425698A
JPS6425698A JP18277787A JP18277787A JPS6425698A JP S6425698 A JPS6425698 A JP S6425698A JP 18277787 A JP18277787 A JP 18277787A JP 18277787 A JP18277787 A JP 18277787A JP S6425698 A JPS6425698 A JP S6425698A
Authority
JP
Japan
Prior art keywords
extension
trunk line
attendant board
identification information
control unit
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.)
Pending
Application number
JP18277787A
Other languages
English (en)
Inventor
Kazuo Yonekura
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Priority to JP18277787A priority Critical patent/JPS6425698A/ja
Publication of JPS6425698A publication Critical patent/JPS6425698A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP18277787A 1987-07-21 1987-07-21 Private branch exchange with trunk line attendant board Pending JPS6425698A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18277787A JPS6425698A (en) 1987-07-21 1987-07-21 Private branch exchange with trunk line attendant board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18277787A JPS6425698A (en) 1987-07-21 1987-07-21 Private branch exchange with trunk line attendant board

Publications (1)

Publication Number Publication Date
JPS6425698A true JPS6425698A (en) 1989-01-27

Family

ID=16124234

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18277787A Pending JPS6425698A (en) 1987-07-21 1987-07-21 Private branch exchange with trunk line attendant board

Country Status (1)

Country Link
JP (1) JPS6425698A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03135155A (ja) * 1989-10-20 1991-06-10 Nec Corp 加入者情報表示機能を持つ交換台
JPH0758861A (ja) * 1993-08-20 1995-03-03 Nec Corp 電話交換システム

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03135155A (ja) * 1989-10-20 1991-06-10 Nec Corp 加入者情報表示機能を持つ交換台
JPH0758861A (ja) * 1993-08-20 1995-03-03 Nec Corp 電話交換システム

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