DE3872942D1 - System zur analogen, wechselseitigen authentifikation zwischen einem endgeraet und einer uebertragungsleitung. - Google Patents

System zur analogen, wechselseitigen authentifikation zwischen einem endgeraet und einer uebertragungsleitung.

Info

Publication number
DE3872942D1
DE3872942D1 DE8888400896T DE3872942T DE3872942D1 DE 3872942 D1 DE3872942 D1 DE 3872942D1 DE 8888400896 T DE8888400896 T DE 8888400896T DE 3872942 T DE3872942 T DE 3872942T DE 3872942 D1 DE3872942 D1 DE 3872942D1
Authority
DE
Germany
Prior art keywords
analogue
terminal device
transmission line
intermediate authentication
authentication
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 - Fee Related
Application number
DE8888400896T
Other languages
English (en)
Other versions
DE3872942T2 (de
Inventor
Claude Barraud
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schlumberger SA
Original Assignee
Schlumberger SA
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 Schlumberger SA filed Critical Schlumberger SA
Application granted granted Critical
Publication of DE3872942D1 publication Critical patent/DE3872942D1/de
Publication of DE3872942T2 publication Critical patent/DE3872942T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
    • H04M17/023—Circuit arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Meter Arrangements (AREA)
  • Prepayment Telephone Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)
DE8888400896T 1987-04-17 1988-04-14 System zur analogen, wechselseitigen authentifikation zwischen einem endgeraet und einer uebertragungsleitung. Expired - Lifetime DE3872942T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8705503A FR2614162B1 (fr) 1987-04-17 1987-04-17 Systeme d'authentification analogique reciproque entre un terminal et une ligne de transmission

Publications (2)

Publication Number Publication Date
DE3872942D1 true DE3872942D1 (de) 1992-08-27
DE3872942T2 DE3872942T2 (de) 1992-12-03

Family

ID=9350252

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888400896T Expired - Lifetime DE3872942T2 (de) 1987-04-17 1988-04-14 System zur analogen, wechselseitigen authentifikation zwischen einem endgeraet und einer uebertragungsleitung.

Country Status (5)

Country Link
US (1) US4852155A (de)
EP (1) EP0292342B1 (de)
JP (1) JPS6429048A (de)
DE (1) DE3872942T2 (de)
FR (1) FR2614162B1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2646305B1 (fr) * 1989-04-19 1991-06-14 Dassault Electronique Dispositif electronique de codage, notamment pour publiphone
US5311596A (en) * 1992-08-31 1994-05-10 At&T Bell Laboratories Continuous authentication using an in-band or out-of-band side channel
US5488649A (en) * 1994-05-06 1996-01-30 Motorola, Inc. Method for validating a communication link
DK11995A (da) * 1994-05-02 1995-11-03 Christian Henri Krause Sikringsenhed til telefonsystem
US5854975A (en) * 1994-12-23 1998-12-29 Freedom Wireless, Inc. Prepaid security cellular telecommunications system
FR2734115B1 (fr) * 1995-05-12 1997-08-01 Schlumberger Ind Sa Installation telephonique securisee
FR2742950B1 (fr) * 1995-12-22 1998-03-27 Monetel Systeme anti-fraude pour ligne telephonique
IT1291472B1 (it) * 1997-01-27 1999-01-11 Urmet Sud Costruzioni Elettro Dispositivo di riscontro di obliterazione per apparecchi telefonici pubblici.
FR2777404B1 (fr) * 1998-04-10 2000-05-19 Schlumberger Ind Sa Dispositif de securisation d'une ligne telephonique
FR2779308B1 (fr) * 1998-05-27 2000-06-30 Schlumberger Ind Sa Dispositif de securisation d'une ligne telephonique
US6704563B1 (en) 1998-08-11 2004-03-09 Boston Communications Group, Inc. Systems and methods for prerating costs for a communication event
US7187928B1 (en) 1998-11-24 2007-03-06 Boston Communications Group, Inc. Call delivery systems for roaming prepaid subscribers
EP1266321A4 (de) 2000-02-25 2003-05-21 Telecomm Systems Inc Kurznachrichten mit vorbezahlung
US7110773B1 (en) 2000-04-11 2006-09-19 Telecommunication Systems, Inc. Mobile activity status tracker
US7640031B2 (en) * 2006-06-22 2009-12-29 Telecommunication Systems, Inc. Mobile originated interactive menus via short messaging services
US6658260B2 (en) 2001-09-05 2003-12-02 Telecommunication Systems, Inc. Inter-carrier short messaging service providing phone number only experience
US7853272B2 (en) 2001-12-21 2010-12-14 Telecommunication Systems, Inc. Wireless network tour guide
US8195205B2 (en) 2004-05-06 2012-06-05 Telecommunication Systems, Inc. Gateway application to support use of a single internet address domain for routing messages to multiple multimedia message service centers
US7991411B2 (en) 2004-05-06 2011-08-02 Telecommunication Systems, Inc. Method to qualify multimedia message content to enable use of a single internet address domain to send messages to both short message service centers and multimedia message service centers
US7430425B2 (en) 2005-05-17 2008-09-30 Telecommunication Systems, Inc. Inter-carrier digital message with user data payload service providing phone number only experience
US7548158B2 (en) 2005-08-08 2009-06-16 Telecommunication Systems, Inc. First responder wireless emergency alerting with automatic callback and location triggering
US8954028B2 (en) * 2008-09-25 2015-02-10 Telecommunication Systems, Inc. Geo-redundant and high reliability commercial mobile alert system (CMAS)
US8712453B2 (en) 2008-12-23 2014-04-29 Telecommunication Systems, Inc. Login security with short messaging
EP2652980A2 (de) 2010-12-13 2013-10-23 TeleCommunication Systems, Inc. Gatewayserver für lokalisierungsdienste
US9408047B2 (en) 2013-10-10 2016-08-02 Telecommunication Systems, Inc. Read acknowledgement interoperability for text messaging and IP messaging

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4467140A (en) * 1981-05-01 1984-08-21 Masco Corporation Of Indiana Microprocessor-based cordless telephone system
US4625078A (en) * 1983-12-30 1986-11-25 At&T Technologies Inc. Fraud prevention in an electronic coin telephone set
DE3410937A1 (de) * 1984-03-24 1985-10-03 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zum erkennen der unerlaubten benutzung einer indentifizierung
DE3420460A1 (de) * 1984-06-01 1985-12-05 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zum erkennen der unerlaubten benutzung einer, einer beweglichen funkstation zugeordneten identifizierung in einem funkuebertragungssystem

Also Published As

Publication number Publication date
FR2614162B1 (fr) 1993-12-10
FR2614162A1 (fr) 1988-10-21
EP0292342B1 (de) 1992-07-22
JPS6429048A (en) 1989-01-31
US4852155A (en) 1989-07-25
EP0292342A1 (de) 1988-11-23
DE3872942T2 (de) 1992-12-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee