JPS5472607A - Special number exchange network system - Google Patents

Special number exchange network system

Info

Publication number
JPS5472607A
JPS5472607A JP13949877A JP13949877A JPS5472607A JP S5472607 A JPS5472607 A JP S5472607A JP 13949877 A JP13949877 A JP 13949877A JP 13949877 A JP13949877 A JP 13949877A JP S5472607 A JPS5472607 A JP S5472607A
Authority
JP
Japan
Prior art keywords
special number
devices
special
call
number exchange
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
JP13949877A
Other languages
English (en)
Other versions
JPS6047786B2 (ja
Inventor
Keiji Hosoya
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
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP13949877A priority Critical patent/JPS6047786B2/ja
Publication of JPS5472607A publication Critical patent/JPS5472607A/ja
Publication of JPS6047786B2 publication Critical patent/JPS6047786B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP13949877A 1977-11-22 1977-11-22 特番交換網方式 Expired JPS6047786B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13949877A JPS6047786B2 (ja) 1977-11-22 1977-11-22 特番交換網方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13949877A JPS6047786B2 (ja) 1977-11-22 1977-11-22 特番交換網方式

Publications (2)

Publication Number Publication Date
JPS5472607A true JPS5472607A (en) 1979-06-11
JPS6047786B2 JPS6047786B2 (ja) 1985-10-23

Family

ID=15246664

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13949877A Expired JPS6047786B2 (ja) 1977-11-22 1977-11-22 特番交換網方式

Country Status (1)

Country Link
JP (1) JPS6047786B2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5825753A (ja) * 1981-08-07 1983-02-16 Nec Corp 交換台制御方式
JPH0210960A (ja) * 1988-06-28 1990-01-16 Meisei Electric Co Ltd 回線数および受付端末数の制御方式ならびに着信呼振り分け方式

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111512361A (zh) 2017-06-30 2020-08-07 艾姆特克斯股份有限公司 隔音用纤维聚集体、吸音隔音材料以及车辆用吸音隔音材料

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5825753A (ja) * 1981-08-07 1983-02-16 Nec Corp 交換台制御方式
JPH0210960A (ja) * 1988-06-28 1990-01-16 Meisei Electric Co Ltd 回線数および受付端末数の制御方式ならびに着信呼振り分け方式

Also Published As

Publication number Publication date
JPS6047786B2 (ja) 1985-10-23

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