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AU587766B3 - Access barring device for time charged telephone calls - Google Patents

Access barring device for time charged telephone calls

Info

Publication number
AU587766B3
AU587766B3 AU23718/88A AU2371888A AU587766B3 AU 587766 B3 AU587766 B3 AU 587766B3 AU 23718/88 A AU23718/88 A AU 23718/88A AU 2371888 A AU2371888 A AU 2371888A AU 587766 B3 AU587766 B3 AU 587766B3
Authority
AU
Australia
Prior art keywords
telephone calls
access barring
time charged
barring device
charged 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.)
Ceased
Application number
AU23718/88A
Inventor
Alan Lionel Sturdy
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU23718/88A priority Critical patent/AU587766B3/en
Application granted granted Critical
Publication of AU587766B3 publication Critical patent/AU587766B3/en
Anticipated expiration legal-status Critical
Ceased 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
AU23718/88A 1988-10-13 1988-10-13 Access barring device for time charged telephone calls Ceased AU587766B3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU23718/88A AU587766B3 (en) 1988-10-13 1988-10-13 Access barring device for time charged telephone calls

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU23718/88A AU587766B3 (en) 1988-10-13 1988-10-13 Access barring device for time charged telephone calls

Publications (1)

Publication Number Publication Date
AU587766B3 true AU587766B3 (en) 1989-08-01

Family

ID=3712799

Family Applications (1)

Application Number Title Priority Date Filing Date
AU23718/88A Ceased AU587766B3 (en) 1988-10-13 1988-10-13 Access barring device for time charged telephone calls

Country Status (1)

Country Link
AU (1) AU587766B3 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU505083B2 (en) * 1976-03-02 1979-11-08 Standard Telephones And Cables Pty. Ltd Trunk barring detector
EP0226708A2 (en) * 1985-12-18 1987-07-01 Robert Bosch Gmbh Electrical device for blocking outgoing calls from a telephone apparatus
US4683583A (en) * 1985-04-01 1987-07-28 Kossor Michael G Method and apparatus for controlling telephone line access

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU505083B2 (en) * 1976-03-02 1979-11-08 Standard Telephones And Cables Pty. Ltd Trunk barring detector
US4683583A (en) * 1985-04-01 1987-07-28 Kossor Michael G Method and apparatus for controlling telephone line access
EP0226708A2 (en) * 1985-12-18 1987-07-01 Robert Bosch Gmbh Electrical device for blocking outgoing calls from a telephone apparatus

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