GB2274043B - Customer identity validation - Google Patents

Customer identity validation

Info

Publication number
GB2274043B
GB2274043B GB9325817A GB9325817A GB2274043B GB 2274043 B GB2274043 B GB 2274043B GB 9325817 A GB9325817 A GB 9325817A GB 9325817 A GB9325817 A GB 9325817A GB 2274043 B GB2274043 B GB 2274043B
Authority
GB
United Kingdom
Prior art keywords
identity validation
customer identity
customer
validation
identity
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
GB9325817A
Other versions
GB9325817D0 (en
GB2274043A (en
Inventor
Boris Vladimir Dentskevitch
Alexander Schroder Philip
Geoffrey Chopping
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.)
GPT Ltd
Plessey Telecommunications Ltd
Original Assignee
GPT Ltd
Plessey Telecommunications 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 GPT Ltd, Plessey Telecommunications Ltd filed Critical GPT Ltd
Publication of GB9325817D0 publication Critical patent/GB9325817D0/en
Publication of GB2274043A publication Critical patent/GB2274043A/en
Application granted granted Critical
Publication of GB2274043B publication Critical patent/GB2274043B/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
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • 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
    • H04K3/45—Jamming having variable characteristics characterized by including monitoring of the target or target signal, e.g. in reactive jammers or follower jammers for example by means of an alternation of jamming phases and monitoring phases, called "look-through mode"
    • 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
    • H04K3/42—Jamming having variable characteristics characterized by the control of the jamming frequency or wavelength

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB9325817A 1992-12-23 1993-12-17 Customer identity validation Expired - Fee Related GB2274043B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929226779A GB9226779D0 (en) 1992-12-23 1992-12-23 Customer identity validation

Publications (3)

Publication Number Publication Date
GB9325817D0 GB9325817D0 (en) 1994-02-23
GB2274043A GB2274043A (en) 1994-07-06
GB2274043B true GB2274043B (en) 1997-06-18

Family

ID=10727077

Family Applications (2)

Application Number Title Priority Date Filing Date
GB929226779A Pending GB9226779D0 (en) 1992-12-23 1992-12-23 Customer identity validation
GB9325817A Expired - Fee Related GB2274043B (en) 1992-12-23 1993-12-17 Customer identity validation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB929226779A Pending GB9226779D0 (en) 1992-12-23 1992-12-23 Customer identity validation

Country Status (1)

Country Link
GB (2) GB9226779D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69618886T2 (en) * 1995-03-17 2002-09-19 Lucent Technologies Inc., Murray Hill COMMUNICATION SYSTEM FOR DETECTING AN UNLOCKED TERMINAL DEVICE
ES2136577B1 (en) * 1998-02-04 2000-08-01 Telefonica Sa PROTECTION EQUIPMENT FOR THE TELEPHONE LOOP OF SUBSCRIBER
ES2136578B1 (en) * 1998-02-04 2000-08-01 Telefonica Sa PROTECTION EQUIPMENT OF THE TELEPHONE LOOP OF SUBSCRIBER.
CA2279684C (en) 1999-08-05 2007-05-15 Vtech Communications, Ltd. Method and apparatus for telephone call fraud detection and prevention

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4885768A (en) * 1987-10-01 1989-12-05 Jacques Genin Active dipole telephone line protection device
US5003586A (en) * 1989-11-02 1991-03-26 Siecor Corporation Dial tone interrupt device
US5086459A (en) * 1990-02-23 1992-02-04 Keptel, Inc. Timing circuit and a secure telephone jack utilizing this circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4885768A (en) * 1987-10-01 1989-12-05 Jacques Genin Active dipole telephone line protection device
US5003586A (en) * 1989-11-02 1991-03-26 Siecor Corporation Dial tone interrupt device
US5086459A (en) * 1990-02-23 1992-02-04 Keptel, Inc. Timing circuit and a secure telephone jack utilizing this circuit

Also Published As

Publication number Publication date
GB9325817D0 (en) 1994-02-23
GB9226779D0 (en) 1993-02-17
GB2274043A (en) 1994-07-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19981217