FR2762953B1 - CALL DISCRIMINATOR APPARATUS FOR TELEPHONE LINE - Google Patents

CALL DISCRIMINATOR APPARATUS FOR TELEPHONE LINE

Info

Publication number
FR2762953B1
FR2762953B1 FR9705530A FR9705530A FR2762953B1 FR 2762953 B1 FR2762953 B1 FR 2762953B1 FR 9705530 A FR9705530 A FR 9705530A FR 9705530 A FR9705530 A FR 9705530A FR 2762953 B1 FR2762953 B1 FR 2762953B1
Authority
FR
France
Prior art keywords
telephone line
call discriminator
discriminator apparatus
call
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
FR9705530A
Other languages
French (fr)
Other versions
FR2762953A1 (en
Inventor
Jean Montgour
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.)
ID3M
Original Assignee
ID3M
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 ID3M filed Critical ID3M
Priority to FR9705530A priority Critical patent/FR2762953B1/en
Priority to PCT/FR1998/000859 priority patent/WO1998051058A1/en
Priority to AU75369/98A priority patent/AU7536998A/en
Publication of FR2762953A1 publication Critical patent/FR2762953A1/en
Application granted granted Critical
Publication of FR2762953B1 publication Critical patent/FR2762953B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04M1/677—Preventing the dialling or sending of predetermined telephone numbers or selected types of telephone numbers, e.g. long distance numbers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/80—Jamming or countermeasure characterized by its function
    • H04K3/86—Jamming or countermeasure characterized by its function related to preventing deceptive jamming or unauthorized interrogation or access, e.g. WLAN access or RFID reading
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K2203/00—Jamming of communication; Countermeasures
    • H04K2203/10—Jamming or countermeasure used for a particular application
    • H04K2203/16—Jamming or countermeasure used for a particular application for telephony
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/40—Jamming having variable characteristics
    • H04K3/41—Jamming having variable characteristics characterized by the control of the jamming activation or deactivation time

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
FR9705530A 1997-05-02 1997-05-02 CALL DISCRIMINATOR APPARATUS FOR TELEPHONE LINE Expired - Fee Related FR2762953B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9705530A FR2762953B1 (en) 1997-05-02 1997-05-02 CALL DISCRIMINATOR APPARATUS FOR TELEPHONE LINE
PCT/FR1998/000859 WO1998051058A1 (en) 1997-05-02 1998-04-29 Telephone line call discriminator
AU75369/98A AU7536998A (en) 1997-05-02 1998-04-29 Telephone line call discriminator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9705530A FR2762953B1 (en) 1997-05-02 1997-05-02 CALL DISCRIMINATOR APPARATUS FOR TELEPHONE LINE

Publications (2)

Publication Number Publication Date
FR2762953A1 FR2762953A1 (en) 1998-11-06
FR2762953B1 true FR2762953B1 (en) 2000-03-10

Family

ID=9506601

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9705530A Expired - Fee Related FR2762953B1 (en) 1997-05-02 1997-05-02 CALL DISCRIMINATOR APPARATUS FOR TELEPHONE LINE

Country Status (3)

Country Link
AU (1) AU7536998A (en)
FR (1) FR2762953B1 (en)
WO (1) WO1998051058A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2824219A1 (en) * 2001-04-26 2002-10-31 France Telecom Selective access network call restriction filtering/programming method having terminal side filter comparing call number with filter forbidden call numbers stored and preventing calls where numbers agree.
GB2389737B (en) * 2002-06-01 2004-06-16 Rory Joseph Donnelly A telecommunications security unit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8701723D0 (en) * 1987-01-27 1987-03-04 Rainer M G Call barring apparatus
GB2227906B (en) * 1988-12-23 1993-06-16 Rathdown Ind Ltd Telephone including a call barrer
FR2646980A1 (en) * 1989-05-10 1990-11-16 Carreel Eric Call discriminator apparatus for telephone sets
US4965459A (en) * 1989-05-26 1990-10-23 Murray Thorntone E Telephone line security system

Also Published As

Publication number Publication date
FR2762953A1 (en) 1998-11-06
WO1998051058A1 (en) 1998-11-12
AU7536998A (en) 1998-11-27

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Legal Events

Date Code Title Description
ST Notification of lapse