ZA962029B - Method for the recognition of unauthorized use of terminal connections - Google Patents

Method for the recognition of unauthorized use of terminal connections

Info

Publication number
ZA962029B
ZA962029B ZA962029A ZA962029A ZA962029B ZA 962029 B ZA962029 B ZA 962029B ZA 962029 A ZA962029 A ZA 962029A ZA 962029 A ZA962029 A ZA 962029A ZA 962029 B ZA962029 B ZA 962029B
Authority
ZA
South Africa
Prior art keywords
recognition
unauthorized use
terminal connections
connections
terminal
Prior art date
Application number
ZA962029A
Other languages
English (en)
Inventor
Uwe Dummann
Helmut Haertel
Andreas Hertel
Guenter Koerner
Klaus Pfeiffer
Original Assignee
Deutsche Telephonwerk Kabel
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Deutsche Telephonwerk Kabel filed Critical Deutsche Telephonwerk Kabel
Publication of ZA962029B publication Critical patent/ZA962029B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/38—Graded-service arrangements, i.e. some subscribers prevented from establishing certain connections
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)
ZA962029A 1995-03-14 1996-03-13 Method for the recognition of unauthorized use of terminal connections ZA962029B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19510697A DE19510697C3 (de) 1995-03-14 1995-03-14 Verfahren zur Erkennung unberechtigter Nutzung von Teilnehmeranschlußleitungen mittels Teilnehmeridentifizierung

Publications (1)

Publication Number Publication Date
ZA962029B true ZA962029B (en) 1996-11-25

Family

ID=7757545

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA962029A ZA962029B (en) 1995-03-14 1996-03-13 Method for the recognition of unauthorized use of terminal connections

Country Status (3)

Country Link
EP (1) EP0732837A1 (xx)
DE (1) DE19510697C3 (xx)
ZA (1) ZA962029B (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19518558A1 (de) * 1995-05-19 1996-11-21 Siemens Ag Verfahren zur Verhinderung der mißbräuchlichen Benutzung der Teilnehmeranschlüsse einer Fernmeldevermittlungsstelle

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5022067A (en) * 1990-04-20 1991-06-04 Millicom Incorporated Telephone call security system
IL101596A (en) * 1992-04-15 1995-05-26 Labaton Isaac J Devices and method for toll free telephone services
DE4325384A1 (de) * 1993-07-23 1995-01-26 Ekb Dienstleistungsgesellschaf Personenbezogene Telefonwahl-Kontrolleinrichtung
DE4421615C1 (de) * 1994-06-21 1996-12-05 Matthias Dipl Ing Viehmann Schaltungsanordnung zum Fremdeingriffschutz für das drahtgebundene Telefonnetz
DE9411131U1 (de) * 1994-07-09 1994-11-03 Voss Denefleh Juergen Dipl Ing Telefoncodeschloß mit bidirektionalem Datenaustausch und Fernprogrammierung über Telefonleitung
DE9417399U1 (de) * 1994-10-29 1995-03-09 Rutenbeck Wilhelm Gmbh & Co Schaltungsanordnung zur Leitungsüberwachung für analoge Fernsprechanschlüsse
DE19501601C1 (de) * 1995-01-20 1996-10-10 Beth Thomas Prof Dr Rer Nat Verfahren und Vorrichtung zum sicheren Erfassen von Daten der Nutzung eines Kommunikationssystems

Also Published As

Publication number Publication date
DE19510697A1 (de) 1996-09-26
DE19510697C3 (de) 1999-11-04
EP0732837A1 (de) 1996-09-18
DE19510697C2 (de) 1997-01-16

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