ZA755408B - Improvements in or relating to telephone systems - Google Patents
Improvements in or relating to telephone systemsInfo
- Publication number
- ZA755408B ZA755408B ZA00755408A ZA755408A ZA755408B ZA 755408 B ZA755408 B ZA 755408B ZA 00755408 A ZA00755408 A ZA 00755408A ZA 755408 A ZA755408 A ZA 755408A ZA 755408 B ZA755408 B ZA 755408B
- Authority
- ZA
- South Africa
- Prior art keywords
- relating
- telephone systems
- telephone
- systems
- Prior art date
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
- H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Meter Arrangements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742445845 DE2445845C2 (en) | 1974-09-25 | Circuit arrangement for tariff switching for the time clocks sent out for calculating the charges in telephone systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA755408B true ZA755408B (en) | 1976-07-28 |
Family
ID=5926715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00755408A ZA755408B (en) | 1974-09-25 | 1975-08-25 | Improvements in or relating to telephone systems |
Country Status (9)
| Country | Link |
|---|---|
| AR (1) | AR205217A1 (en) |
| AT (1) | AT343186B (en) |
| BG (1) | BG24055A3 (en) |
| BR (1) | BR7506177A (en) |
| CH (1) | CH592987A5 (en) |
| FI (1) | FI60628C (en) |
| IT (1) | IT1042636B (en) |
| SE (1) | SE411285B (en) |
| ZA (1) | ZA755408B (en) |
-
1975
- 1975-01-01 AR AR260161A patent/AR205217A1/en active
- 1975-08-19 BG BG7500030818A patent/BG24055A3/en unknown
- 1975-08-20 AT AT644175A patent/AT343186B/en not_active IP Right Cessation
- 1975-08-25 ZA ZA00755408A patent/ZA755408B/en unknown
- 1975-08-27 FI FI752416A patent/FI60628C/en not_active IP Right Cessation
- 1975-09-18 IT IT27348/75A patent/IT1042636B/en active
- 1975-09-18 CH CH1211675A patent/CH592987A5/xx not_active IP Right Cessation
- 1975-09-23 SE SE7510675A patent/SE411285B/en unknown
- 1975-09-24 BR BR7506177*A patent/BR7506177A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI60628C (en) | 1982-02-10 |
| DE2445845A1 (en) | 1975-07-24 |
| CH592987A5 (en) | 1977-11-15 |
| SE7510675L (en) | 1976-03-26 |
| ATA644175A (en) | 1977-09-15 |
| FI60628B (en) | 1981-10-30 |
| DE2445845B1 (en) | 1975-07-24 |
| FI752416A (en) | 1976-03-26 |
| BR7506177A (en) | 1976-08-03 |
| AR205217A1 (en) | 1976-04-12 |
| AT343186B (en) | 1978-05-10 |
| BG24055A3 (en) | 1977-12-15 |
| SE411285B (en) | 1979-12-10 |
| IT1042636B (en) | 1980-01-30 |
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