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GB2233857B - Telephone dialling arrangement - Google Patents

Telephone dialling arrangement

Info

Publication number
GB2233857B
GB2233857B GB8915553A GB8915553A GB2233857B GB 2233857 B GB2233857 B GB 2233857B GB 8915553 A GB8915553 A GB 8915553A GB 8915553 A GB8915553 A GB 8915553A GB 2233857 B GB2233857 B GB 2233857B
Authority
GB
United Kingdom
Prior art keywords
telephone dialling
arrangement
dialling arrangement
telephone
dialling
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
GB8915553A
Other versions
GB2233857A (en
GB8915553D0 (en
Inventor
Philip Triggs
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.)
Crystalate Electronics Ltd
Hosiden Besson Ltd
Original Assignee
Crystalate Electronics Ltd
Hosiden Besson Ltd
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 Crystalate Electronics Ltd, Hosiden Besson Ltd filed Critical Crystalate Electronics Ltd
Priority to GB8915553A priority Critical patent/GB2233857B/en
Publication of GB8915553D0 publication Critical patent/GB8915553D0/en
Publication of GB2233857A publication Critical patent/GB2233857A/en
Application granted granted Critical
Publication of GB2233857B publication Critical patent/GB2233857B/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
    • H04M1/26—Devices for calling a subscriber
    • H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
    • 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)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Alarm Systems (AREA)
  • Telephone Function (AREA)
GB8915553A 1989-07-07 1989-07-07 Telephone dialling arrangement Expired - Fee Related GB2233857B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8915553A GB2233857B (en) 1989-07-07 1989-07-07 Telephone dialling arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8915553A GB2233857B (en) 1989-07-07 1989-07-07 Telephone dialling arrangement

Publications (3)

Publication Number Publication Date
GB8915553D0 GB8915553D0 (en) 1989-08-23
GB2233857A GB2233857A (en) 1991-01-16
GB2233857B true GB2233857B (en) 1993-08-04

Family

ID=10659669

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8915553A Expired - Fee Related GB2233857B (en) 1989-07-07 1989-07-07 Telephone dialling arrangement

Country Status (1)

Country Link
GB (1) GB2233857B (en)

Also Published As

Publication number Publication date
GB2233857A (en) 1991-01-16
GB8915553D0 (en) 1989-08-23

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020707