JPS5553958A - False calling device - Google Patents
False calling deviceInfo
- Publication number
- JPS5553958A JPS5553958A JP12747878A JP12747878A JPS5553958A JP S5553958 A JPS5553958 A JP S5553958A JP 12747878 A JP12747878 A JP 12747878A JP 12747878 A JP12747878 A JP 12747878A JP S5553958 A JPS5553958 A JP S5553958A
- Authority
- JP
- Japan
- Prior art keywords
- function
- identification signal
- outgoing
- circuit
- outgoing terminal
- 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
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12747878A JPS606583B2 (ja) | 1978-10-17 | 1978-10-17 | 擬似呼装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12747878A JPS606583B2 (ja) | 1978-10-17 | 1978-10-17 | 擬似呼装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5553958A true JPS5553958A (en) | 1980-04-19 |
JPS606583B2 JPS606583B2 (ja) | 1985-02-19 |
Family
ID=14960922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12747878A Expired JPS606583B2 (ja) | 1978-10-17 | 1978-10-17 | 擬似呼装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS606583B2 (ja) |
-
1978
- 1978-10-17 JP JP12747878A patent/JPS606583B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS606583B2 (ja) | 1985-02-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5553958A (en) | False calling device | |
JPS562778A (en) | Data communication unit | |
JPS5610766A (en) | Talking monitor system | |
JPS51128205A (en) | Telephone device | |
JPS53117922A (en) | Absence reception voice answer skip system | |
JPS55138958A (en) | Originating line terminal confirmation system in terminating line terminal | |
JPS56119567A (en) | Terminal equipment | |
JPS5362404A (en) | Incoming call charging system | |
JPS52125213A (en) | Absence transfer system | |
JPS52151504A (en) | Alarm sending system | |
JPS54146503A (en) | Selective calling device | |
JPS5579543A (en) | Radio character message system | |
JPS5679559A (en) | Identifying system for subscriber cable pair | |
JPS56156056A (en) | Discriminating system for incoming call | |
JPS53101913A (en) | Selective calling signal system of party line telephone set | |
JPS53129508A (en) | Loop detection system for subscriber's line | |
JPS5772461A (en) | Terminal equipment for input of telephone application data | |
JPS54146504A (en) | Selective calling device | |
JPS5451702A (en) | Automatic power supply cut-off circuit | |
JPS52151505A (en) | Alarm sending system | |
JPS55123246A (en) | Incoming display system | |
JPS56157170A (en) | Terminal answer signal system of data transmission system | |
JPS5624862A (en) | Answering system for office incoming call | |
JPS5423406A (en) | Incoming replay detecting system | |
JPS5375803A (en) | Individual selective calling transmission device which makes time information possible |