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AU587815B2 - Access barring circuit - Google Patents
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AU587815B2 - Access barring circuit - Google Patents

Access barring circuit

Info

Publication number
AU587815B2
AU587815B2 AU55919/86A AU5591986A AU587815B2 AU 587815 B2 AU587815 B2 AU 587815B2 AU 55919/86 A AU55919/86 A AU 55919/86A AU 5591986 A AU5591986 A AU 5591986A AU 587815 B2 AU587815 B2 AU 587815B2
Authority
AU
Australia
Prior art keywords
access barring
circuit
barring circuit
access
barring
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
AU55919/86A
Other versions
AU5591986A (en
Inventor
Peter Anton Goode
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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Standard Telephone and Cables PLC
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 Standard Telephone and Cables Pty Ltd, Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables Pty Ltd
Priority to AU55919/86A priority Critical patent/AU587815B2/en
Publication of AU5591986A publication Critical patent/AU5591986A/en
Application granted granted Critical
Publication of AU587815B2 publication Critical patent/AU587815B2/en
Assigned to ALCATEL AUSTRALIA LIMITED reassignment ALCATEL AUSTRALIA LIMITED Request to Amend Deed and Register Assignors: STANDARD TELEPHONES AND CABLES PTY. LIMITED
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
    • H04M1/667—Preventing unauthorised calls from a telephone set
    • H04M1/67—Preventing unauthorised calls from a telephone set by electronic means
    • H04M1/673—Preventing unauthorised calls from a telephone set by electronic means the user being required to key in a code

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
AU55919/86A 1986-04-10 1986-04-10 Access barring circuit Ceased AU587815B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU55919/86A AU587815B2 (en) 1986-04-10 1986-04-10 Access barring circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU55919/86A AU587815B2 (en) 1986-04-10 1986-04-10 Access barring circuit

Publications (2)

Publication Number Publication Date
AU5591986A AU5591986A (en) 1987-10-15
AU587815B2 true AU587815B2 (en) 1989-08-31

Family

ID=3741524

Family Applications (1)

Application Number Title Priority Date Filing Date
AU55919/86A Ceased AU587815B2 (en) 1986-04-10 1986-04-10 Access barring circuit

Country Status (1)

Country Link
AU (1) AU587815B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU605870B2 (en) * 1987-05-25 1991-01-24 Alcatel Australia Limited Phone barring arrangement

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1523039A (en) * 1976-09-08 1978-08-31 Standard Telephones Cables Ltd Telephone call restrictor
US4297534A (en) * 1980-01-03 1981-10-27 Epstein Barry M Pushbutton telephone set disabling means
GB2086187A (en) * 1980-10-09 1982-05-06 Standard Telephones Cables Ltd Toll barring

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1523039A (en) * 1976-09-08 1978-08-31 Standard Telephones Cables Ltd Telephone call restrictor
US4297534A (en) * 1980-01-03 1981-10-27 Epstein Barry M Pushbutton telephone set disabling means
GB2086187A (en) * 1980-10-09 1982-05-06 Standard Telephones Cables Ltd Toll barring

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU605870B2 (en) * 1987-05-25 1991-01-24 Alcatel Australia Limited Phone barring arrangement

Also Published As

Publication number Publication date
AU5591986A (en) 1987-10-15

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired