AU7536998A - Telephone line call discriminator - Google Patents

Telephone line call discriminator

Info

Publication number
AU7536998A
AU7536998A AU75369/98A AU7536998A AU7536998A AU 7536998 A AU7536998 A AU 7536998A AU 75369/98 A AU75369/98 A AU 75369/98A AU 7536998 A AU7536998 A AU 7536998A AU 7536998 A AU7536998 A AU 7536998A
Authority
AU
Australia
Prior art keywords
telephone line
line call
call discriminator
discriminator
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.)
Abandoned
Application number
AU75369/98A
Other languages
English (en)
Inventor
Jean Mongour
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
Publication of AU7536998A publication Critical patent/AU7536998A/en
Abandoned 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)
AU75369/98A 1997-05-02 1998-04-29 Telephone line call discriminator Abandoned AU7536998A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9705530A FR2762953B1 (fr) 1997-05-02 1997-05-02 Appareil discriminateur d'appels pour ligne telephonique
FR9705530 1997-05-02
PCT/FR1998/000859 WO1998051058A1 (fr) 1997-05-02 1998-04-29 Appareil discriminateur d'appels pour ligne telephonique

Publications (1)

Publication Number Publication Date
AU7536998A true AU7536998A (en) 1998-11-27

Family

ID=9506601

Family Applications (1)

Application Number Title Priority Date Filing Date
AU75369/98A Abandoned AU7536998A (en) 1997-05-02 1998-04-29 Telephone line call discriminator

Country Status (3)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2824219A1 (fr) * 2001-04-26 2002-10-31 France Telecom Procede pour restreindre l'emission des appels, a travers un reseau telephonique, a partir d'un terminal, terminal, dispositif de filtrage et dispositif de programmation associes
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 (fr) * 1989-05-10 1990-11-16 Carreel Eric Appareil discriminateur d'appels pour postes telephoniques
US4965459A (en) * 1989-05-26 1990-10-23 Murray Thorntone E Telephone line security system

Also Published As

Publication number Publication date
FR2762953B1 (fr) 2000-03-10
FR2762953A1 (fr) 1998-11-06
WO1998051058A1 (fr) 1998-11-12

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase