FR2734115B1 - Installation telephonique securisee - Google Patents

Installation telephonique securisee

Info

Publication number
FR2734115B1
FR2734115B1 FR9505645A FR9505645A FR2734115B1 FR 2734115 B1 FR2734115 B1 FR 2734115B1 FR 9505645 A FR9505645 A FR 9505645A FR 9505645 A FR9505645 A FR 9505645A FR 2734115 B1 FR2734115 B1 FR 2734115B1
Authority
FR
France
Prior art keywords
telephone installation
secure telephone
secure
installation
telephone
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
FR9505645A
Other languages
English (en)
Other versions
FR2734115A1 (fr
Inventor
Newton Fabienne Blanchet
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
Priority to FR9505645A priority Critical patent/FR2734115B1/fr
Priority to RU97120513/09A priority patent/RU2154349C2/ru
Priority to PCT/FR1996/000710 priority patent/WO1996036162A1/fr
Publication of FR2734115A1 publication Critical patent/FR2734115A1/fr
Application granted granted Critical
Publication of FR2734115B1 publication Critical patent/FR2734115B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04M15/47—Fraud detection or prevention means
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/01—Details of billing arrangements
    • H04M2215/0148—Fraud detection or prevention means

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Prepayment Telephone Systems (AREA)
  • Telephonic Communication Services (AREA)
  • Meter Arrangements (AREA)
FR9505645A 1995-05-12 1995-05-12 Installation telephonique securisee Expired - Fee Related FR2734115B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9505645A FR2734115B1 (fr) 1995-05-12 1995-05-12 Installation telephonique securisee
RU97120513/09A RU2154349C2 (ru) 1995-05-12 1996-05-10 Телефонный аппарат без абонементной оплаты, контрольный модуль для этого телефонного аппарата и телефонная установка, содержащая указанный телефонный аппарат и контрольный модуль
PCT/FR1996/000710 WO1996036162A1 (fr) 1995-05-12 1996-05-10 Poste telephonique sans abonnement, module de controle associe et installation telephonique securisee comprenant ledit poste telephonique et ledit module de securite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9505645A FR2734115B1 (fr) 1995-05-12 1995-05-12 Installation telephonique securisee

Publications (2)

Publication Number Publication Date
FR2734115A1 FR2734115A1 (fr) 1996-11-15
FR2734115B1 true FR2734115B1 (fr) 1997-08-01

Family

ID=9478916

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9505645A Expired - Fee Related FR2734115B1 (fr) 1995-05-12 1995-05-12 Installation telephonique securisee

Country Status (3)

Country Link
FR (1) FR2734115B1 (fr)
RU (1) RU2154349C2 (fr)
WO (1) WO1996036162A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FR2783994B1 (fr) * 1998-09-28 2000-10-13 Schlumberger Ind Sa Dispositif de securisation d'une ligne telephonique
FR2784840B1 (fr) * 1998-10-14 2000-12-15 Schlumberger Ind Sa Dispositif de securisation d'une ligne telephonique
FR2793634B1 (fr) * 1999-05-12 2001-06-29 Schlumberger Systems & Service Dispositif de securisation d'une ligne telephonique dans le domaine audible
ES2214942B1 (es) * 2002-06-14 2005-12-16 Siemens, S.A. Metodo para evitar conexiones no autorizadas en lineas telefonicas.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2614162B1 (fr) * 1987-04-17 1993-12-10 Flonic Sa Systeme d'authentification analogique reciproque entre un terminal et une ligne de transmission
FR2629296B1 (fr) * 1988-03-28 1994-05-06 Schlumberger Industries Systeme de transmission d'informations a pre-paiement
FR2646305B1 (fr) * 1989-04-19 1991-06-14 Dassault Electronique Dispositif electronique de codage, notamment pour publiphone

Also Published As

Publication number Publication date
RU2154349C2 (ru) 2000-08-10
WO1996036162A1 (fr) 1996-11-14
FR2734115A1 (fr) 1996-11-15

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20080131