ATE861T1 - Schaltungsanordnung fuer f ernsprechteilnehmerstellen zur erfassung von waehlimpulsen. - Google Patents
Schaltungsanordnung fuer f ernsprechteilnehmerstellen zur erfassung von waehlimpulsen.Info
- Publication number
- ATE861T1 ATE861T1 AT79200287T AT79200287T ATE861T1 AT E861 T1 ATE861 T1 AT E861T1 AT 79200287 T AT79200287 T AT 79200287T AT 79200287 T AT79200287 T AT 79200287T AT E861 T1 ATE861 T1 AT E861T1
- Authority
- AT
- Austria
- Prior art keywords
- dialling
- circuit
- impulse
- receiving circuit
- blocking
- 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
- H04M15/34—Charging, billing or metering arrangements for private branch exchanges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
- H04M1/667—Preventing unauthorised calls from a telephone set
- H04M1/67—Preventing unauthorised calls from a telephone set by electronic means
- H04M1/673—Preventing unauthorised calls from a telephone set by electronic means the user being required to key in a code
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
- Interface Circuits In Exchanges (AREA)
- Prepayment Telephone Systems (AREA)
- Telephone Function (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH637678A CH628762A5 (de) | 1978-06-12 | 1978-06-12 | Schaltungsanordnung fuer fernsprechteilnehmerstellen zur erfassung von waehlimpulsen. |
EP79200287A EP0006265B1 (de) | 1978-06-12 | 1979-06-08 | Schaltungsanordnung für Fernsprechteilnehmerstellen zur Erfassung von Wählimpulsen |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE861T1 true ATE861T1 (de) | 1982-04-15 |
Family
ID=4308597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT79200287T ATE861T1 (de) | 1978-06-12 | 1979-06-08 | Schaltungsanordnung fuer f ernsprechteilnehmerstellen zur erfassung von waehlimpulsen. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0006265B1 (de) |
AT (1) | ATE861T1 (de) |
CH (1) | CH628762A5 (de) |
DE (1) | DE2962506D1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1207459B (it) * | 1983-03-21 | 1989-05-25 | Italtel Spa | Lucchetto elettronico per lineaa telefonica d'utente. |
EP0151168A4 (de) * | 1983-07-21 | 1986-11-26 | Malca Pty Ltd | Vorrichtung zum sperren einer fernleitung. |
ATE77028T1 (de) * | 1984-11-22 | 1992-06-15 | Siemens Ag | Verfahren fuer eine waehlnebenstellenanlage, bei der eine auf die einzelnen teilnehmerstellen bezogene gebuehrenerfassung fuer den abgehenden amtsverkehr erfolgt. |
FR2621437B1 (fr) * | 1987-10-01 | 1990-01-05 | Genin Jacques | Dispositif de protection de ligne telephonique a dipole actif |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3873781A (en) * | 1973-02-16 | 1975-03-25 | Electronic Arrays | Prevention of unauthorized use of telephone |
US3920936A (en) * | 1974-02-04 | 1975-11-18 | Charles S Mogtader | Toll-call restriction system |
US4045619A (en) * | 1975-03-17 | 1977-08-30 | Aristonics Corporation | Telephone control system |
-
1978
- 1978-06-12 CH CH637678A patent/CH628762A5/de not_active IP Right Cessation
-
1979
- 1979-06-08 EP EP79200287A patent/EP0006265B1/de not_active Expired
- 1979-06-08 DE DE7979200287T patent/DE2962506D1/de not_active Expired
- 1979-06-08 AT AT79200287T patent/ATE861T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CH628762A5 (de) | 1982-03-15 |
EP0006265B1 (de) | 1982-04-14 |
EP0006265A1 (de) | 1980-01-09 |
DE2962506D1 (en) | 1982-05-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2382815B1 (fr) | Joncteur de circuit telephonique ou de ligne d'abonne | |
DE3167719D1 (en) | Telephone circuit | |
ATE861T1 (de) | Schaltungsanordnung fuer f ernsprechteilnehmerstellen zur erfassung von waehlimpulsen. | |
JPS51128205A (en) | Telephone device | |
JPS53117922A (en) | Absence reception voice answer skip system | |
JPS5261410A (en) | Automatic telephone answering set | |
JPS57138247A (en) | Informing telephone system for incoming message | |
JPS57212856A (en) | Terminal adaptor system | |
GB1084099A (de) | ||
JPS6454853A (en) | Automatic exchange with incoming rejection service function | |
JPS5765953A (en) | Simple night transfer system | |
JPS6472651A (en) | Calling system by character dial | |
JPS5758452A (en) | Button telephone device | |
ATE13957T1 (de) | Parallelbetrieb von telephongraeten auf einer digitalen teilnehmerleitung. | |
JPS57196654A (en) | Main trunk transfer system by specific number dialing | |
JPS5752257A (en) | Calling control system | |
JPS54146508A (en) | Cordless telephone system | |
JPS5397309A (en) | Abbreviated dialing system | |
JPS57131192A (en) | Private branch exchange | |
JPS53105306A (en) | Detection system for calling | |
JPS561686A (en) | Discriminating system for subscriber cable pair | |
JPS6437150A (en) | Automatic reoriginating telephone set | |
JPS5563162A (en) | Subscriber line call signal transmission system | |
JPS5750194A (en) | Outgoing sender trunk system | |
GB1077478A (en) | Improvements in or relating to telecommunications systems subscriber's sets |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
REN | Ceased due to non-payment of the annual fee |