FR856333A - Central office telecommunications system - Google Patents
Central office telecommunications systemInfo
- Publication number
- FR856333A FR856333A FR856333DA FR856333A FR 856333 A FR856333 A FR 856333A FR 856333D A FR856333D A FR 856333DA FR 856333 A FR856333 A FR 856333A
- Authority
- FR
- France
- Prior art keywords
- telecommunications system
- central office
- office telecommunications
- central
- telecommunications
- 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
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/38—Charging, billing or metering by apparatus other than mechanical step-by-step counter type
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB856333X | 1938-04-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR856333A true FR856333A (en) | 1940-06-11 |
Family
ID=10590579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR856333D Expired FR856333A (en) | 1938-04-06 | 1939-03-14 | Central office telecommunications system |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR856333A (en) |
-
1939
- 1939-03-14 FR FR856333D patent/FR856333A/en not_active Expired
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