DE2928515C2 - - Google Patents
Info
- Publication number
- DE2928515C2 DE2928515C2 DE19792928515 DE2928515A DE2928515C2 DE 2928515 C2 DE2928515 C2 DE 2928515C2 DE 19792928515 DE19792928515 DE 19792928515 DE 2928515 A DE2928515 A DE 2928515A DE 2928515 C2 DE2928515 C2 DE 2928515C2
- Authority
- DE
- Germany
- 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
- H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
- H04M15/12—Discriminative metering, charging or billing
- H04M15/24—Discriminative metering, charging or billing preventing metering of tax-free calls to certain lines, e.g. to fire or ambulance stations
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792928515 DE2928515A1 (de) | 1979-07-14 | 1979-07-14 | Verfahren und schaltungsanordnung zur schlusszeichengabe bei gebuehrenfreien telefongespraechen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792928515 DE2928515A1 (de) | 1979-07-14 | 1979-07-14 | Verfahren und schaltungsanordnung zur schlusszeichengabe bei gebuehrenfreien telefongespraechen |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2928515A1 DE2928515A1 (de) | 1981-01-29 |
DE2928515C2 true DE2928515C2 (de) | 1987-01-08 |
Family
ID=6075740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19792928515 Granted DE2928515A1 (de) | 1979-07-14 | 1979-07-14 | Verfahren und schaltungsanordnung zur schlusszeichengabe bei gebuehrenfreien telefongespraechen |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE2928515A1 (de) |
-
1979
- 1979-07-14 DE DE19792928515 patent/DE2928515A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2928515A1 (de) | 1981-01-29 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |