JPS5970348A - 非常緊急通話代替方式 - Google Patents

非常緊急通話代替方式

Info

Publication number
JPS5970348A
JPS5970348A JP18113882A JP18113882A JPS5970348A JP S5970348 A JPS5970348 A JP S5970348A JP 18113882 A JP18113882 A JP 18113882A JP 18113882 A JP18113882 A JP 18113882A JP S5970348 A JPS5970348 A JP S5970348A
Authority
JP
Japan
Prior art keywords
exchange
switching
emergency call
alternative
automatic
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
JP18113882A
Other languages
English (en)
Japanese (ja)
Other versions
JPH046295B2 (enrdf_load_stackoverflow
Inventor
Fumiaki Orui
大類　文明
Kazuhiro Hotta
和弘 堀田
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP18113882A priority Critical patent/JPS5970348A/ja
Publication of JPS5970348A publication Critical patent/JPS5970348A/ja
Publication of JPH046295B2 publication Critical patent/JPH046295B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/08—Indicating faults in circuits or apparatus
    • H04M3/12—Marking faulty circuits "busy"; Enabling equipment to disengage itself from faulty circuits ; Using redundant circuits; Response of a circuit, apparatus or system to an error

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
JP18113882A 1982-10-15 1982-10-15 非常緊急通話代替方式 Granted JPS5970348A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18113882A JPS5970348A (ja) 1982-10-15 1982-10-15 非常緊急通話代替方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18113882A JPS5970348A (ja) 1982-10-15 1982-10-15 非常緊急通話代替方式

Publications (2)

Publication Number Publication Date
JPS5970348A true JPS5970348A (ja) 1984-04-20
JPH046295B2 JPH046295B2 (enrdf_load_stackoverflow) 1992-02-05

Family

ID=16095545

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18113882A Granted JPS5970348A (ja) 1982-10-15 1982-10-15 非常緊急通話代替方式

Country Status (1)

Country Link
JP (1) JPS5970348A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02108354A (ja) * 1988-10-18 1990-04-20 Nippon Telegr & Teleph Corp <Ntt> 交換処理代行方式
WO1992016068A1 (fr) * 1991-03-01 1992-09-17 Hitachi Telecom Technologies, Ltd. Systeme de central telephonique

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5671342A (en) * 1979-11-14 1981-06-13 Nec Corp Telephone system for regulated information display

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5671342A (en) * 1979-11-14 1981-06-13 Nec Corp Telephone system for regulated information display

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02108354A (ja) * 1988-10-18 1990-04-20 Nippon Telegr & Teleph Corp <Ntt> 交換処理代行方式
WO1992016068A1 (fr) * 1991-03-01 1992-09-17 Hitachi Telecom Technologies, Ltd. Systeme de central telephonique

Also Published As

Publication number Publication date
JPH046295B2 (enrdf_load_stackoverflow) 1992-02-05

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