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GB8919123D0 - Telephone dialling system - Google Patents

Telephone dialling system

Info

Publication number
GB8919123D0
GB8919123D0 GB898919123A GB8919123A GB8919123D0 GB 8919123 D0 GB8919123 D0 GB 8919123D0 GB 898919123 A GB898919123 A GB 898919123A GB 8919123 A GB8919123 A GB 8919123A GB 8919123 D0 GB8919123 D0 GB 8919123D0
Authority
GB
United Kingdom
Prior art keywords
telephone dialling
dialling system
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.)
Withdrawn
Application number
GB898919123A
Other versions
GB2222350A (en
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
Publication of GB8919123D0 publication Critical patent/GB8919123D0/en
Publication of GB2222350A publication Critical patent/GB2222350A/en
Withdrawn legal-status Critical Current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
    • H04M1/667—Preventing unauthorised calls from a telephone set
    • H04M1/67—Preventing unauthorised calls from a telephone set by electronic means
    • H04M1/675—Preventing unauthorised calls from a telephone set by electronic means the user being required to insert a coded card, e.g. a smart card carrying an integrated circuit chip
    • 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)
  • Microelectronics & Electronic Packaging (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
GB8919123A 1988-08-23 1989-08-23 Selectively using alternative telephone networks with phonecard Withdrawn GB2222350A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888819929A GB8819929D0 (en) 1988-08-23 1988-08-23 Telephone dialling system

Publications (2)

Publication Number Publication Date
GB8919123D0 true GB8919123D0 (en) 1989-10-04
GB2222350A GB2222350A (en) 1990-02-28

Family

ID=10642520

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888819929A Pending GB8819929D0 (en) 1988-08-23 1988-08-23 Telephone dialling system
GB8919123A Withdrawn GB2222350A (en) 1988-08-23 1989-08-23 Selectively using alternative telephone networks with phonecard

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888819929A Pending GB8819929D0 (en) 1988-08-23 1988-08-23 Telephone dialling system

Country Status (1)

Country Link
GB (2) GB8819929D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9404010D0 (en) * 1994-03-02 1994-04-20 Opt Tel Services Limited Telephone dialling monitoring and route selecting apparatus
DE29714935U1 (en) * 1997-08-20 1998-01-08 Elsdale Ltd., St. Helier, Jersey System for selecting at least one specific communication link
FR2785483A1 (en) * 1998-09-04 2000-05-05 Mathias Wauquier Telephone router that can be configured by a removable smart card

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2104347A (en) * 1981-06-19 1983-03-02 Interaction Resources Limited Improvements in or relating to telephone sets
GB2171274B (en) * 1985-02-14 1988-09-01 Stc Plc Telephone subset
GB2192768B (en) * 1986-07-15 1990-05-16 Plessey Co Plc Network access device

Also Published As

Publication number Publication date
GB2222350A (en) 1990-02-28
GB8819929D0 (en) 1988-09-21

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)