FR2269831A1 - Call simulator for communications exchange testing - has circuits with facilities for listening and dialling tests - Google Patents
Call simulator for communications exchange testing - has circuits with facilities for listening and dialling testsInfo
- Publication number
- FR2269831A1 FR2269831A1 FR7415114A FR7415114A FR2269831A1 FR 2269831 A1 FR2269831 A1 FR 2269831A1 FR 7415114 A FR7415114 A FR 7415114A FR 7415114 A FR7415114 A FR 7415114A FR 2269831 A1 FR2269831 A1 FR 2269831A1
- Authority
- FR
- France
- Prior art keywords
- circuits
- tests
- dialling
- listening
- facilities
- 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 |
---|---|---|---|
FR7415114A FR2269831A1 (en) | 1974-04-30 | 1974-04-30 | Call simulator for communications exchange testing - has circuits with facilities for listening and dialling tests |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7415114A FR2269831A1 (en) | 1974-04-30 | 1974-04-30 | Call simulator for communications exchange testing - has circuits with facilities for listening and dialling tests |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2269831A1 true FR2269831A1 (en) | 1975-11-28 |
FR2269831B1 FR2269831B1 (fr) | 1976-12-17 |
Family
ID=9138342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7415114A Granted FR2269831A1 (en) | 1974-04-30 | 1974-04-30 | Call simulator for communications exchange testing - has circuits with facilities for listening and dialling tests |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2269831A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4238649A (en) * | 1977-08-08 | 1980-12-09 | Compagnie Industrielle Des Telecommunications Cit-Alcatel | Call simulator |
-
1974
- 1974-04-30 FR FR7415114A patent/FR2269831A1/fr active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4238649A (en) * | 1977-08-08 | 1980-12-09 | Compagnie Industrielle Des Telecommunications Cit-Alcatel | Call simulator |
Also Published As
Publication number | Publication date |
---|---|
FR2269831B1 (fr) | 1976-12-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |