JPS53140911A - Failure detection system for audio response unit - Google Patents
Failure detection system for audio response unitInfo
- Publication number
- JPS53140911A JPS53140911A JP5531277A JP5531277A JPS53140911A JP S53140911 A JPS53140911 A JP S53140911A JP 5531277 A JP5531277 A JP 5531277A JP 5531277 A JP5531277 A JP 5531277A JP S53140911 A JPS53140911 A JP S53140911A
- Authority
- JP
- Japan
- Prior art keywords
- detection system
- failure detection
- response unit
- audio response
- throught
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5531277A JPS53140911A (en) | 1977-05-16 | 1977-05-16 | Failure detection system for audio response unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5531277A JPS53140911A (en) | 1977-05-16 | 1977-05-16 | Failure detection system for audio response unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53140911A true JPS53140911A (en) | 1978-12-08 |
Family
ID=12995032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5531277A Pending JPS53140911A (en) | 1977-05-16 | 1977-05-16 | Failure detection system for audio response unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53140911A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6278944A (ja) * | 1985-10-02 | 1987-04-11 | Fujitsu Ltd | 診断方式 |
-
1977
- 1977-05-16 JP JP5531277A patent/JPS53140911A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6278944A (ja) * | 1985-10-02 | 1987-04-11 | Fujitsu Ltd | 診断方式 |
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