FR2260237A1 - Line monitoring cct. - delivers signal during existance of outgoing connection from subscriber to exchange device - Google Patents
Line monitoring cct. - delivers signal during existance of outgoing connection from subscriber to exchange deviceInfo
- Publication number
- FR2260237A1 FR2260237A1 FR7443562A FR7443562A FR2260237A1 FR 2260237 A1 FR2260237 A1 FR 2260237A1 FR 7443562 A FR7443562 A FR 7443562A FR 7443562 A FR7443562 A FR 7443562A FR 2260237 A1 FR2260237 A1 FR 2260237A1
- Authority
- FR
- France
- Prior art keywords
- switching
- subscriber
- line monitoring
- outgoing connection
- existance
- 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
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Meter Arrangements (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US43893074A | 1974-02-01 | 1974-02-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2260237A1 true FR2260237A1 (en) | 1975-08-29 |
FR2260237B1 FR2260237B1 (no) | 1978-11-24 |
Family
ID=23742623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7443562A Granted FR2260237A1 (en) | 1974-02-01 | 1974-12-27 | Line monitoring cct. - delivers signal during existance of outgoing connection from subscriber to exchange device |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS50119509A (no) |
DE (1) | DE2460991A1 (no) |
FR (1) | FR2260237A1 (no) |
IT (1) | IT1027865B (no) |
-
1974
- 1974-12-20 IT IT3078974A patent/IT1027865B/it active
- 1974-12-21 DE DE19742460991 patent/DE2460991A1/de active Pending
- 1974-12-27 FR FR7443562A patent/FR2260237A1/fr active Granted
-
1975
- 1975-01-14 JP JP600975A patent/JPS50119509A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
IT1027865B (it) | 1978-12-20 |
JPS50119509A (no) | 1975-09-19 |
DE2460991A1 (de) | 1975-08-14 |
FR2260237B1 (no) | 1978-11-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |