JPH021414B2 - - Google Patents
Info
- Publication number
- JPH021414B2 JPH021414B2 JP12757281A JP12757281A JPH021414B2 JP H021414 B2 JPH021414 B2 JP H021414B2 JP 12757281 A JP12757281 A JP 12757281A JP 12757281 A JP12757281 A JP 12757281A JP H021414 B2 JPH021414 B2 JP H021414B2
- Authority
- JP
- Japan
- Prior art keywords
- trunk
- monitor
- call
- detection
- line
- 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.)
- Expired
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
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
- H04M3/32—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges
- H04M3/323—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges for the arrangements providing the connection (test connection, test call, call simulation)
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Meter Arrangements (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12757281A JPS5829257A (ja) | 1981-08-14 | 1981-08-14 | 擬似着信応答監視装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12757281A JPS5829257A (ja) | 1981-08-14 | 1981-08-14 | 擬似着信応答監視装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5829257A JPS5829257A (ja) | 1983-02-21 |
JPH021414B2 true JPH021414B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-01-11 |
Family
ID=14963356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12757281A Granted JPS5829257A (ja) | 1981-08-14 | 1981-08-14 | 擬似着信応答監視装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5829257A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1981
- 1981-08-14 JP JP12757281A patent/JPS5829257A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5829257A (ja) | 1983-02-21 |
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