GB9226779D0 - Customer identity validation - Google Patents

Customer identity validation

Info

Publication number
GB9226779D0
GB9226779D0 GB929226779A GB9226779A GB9226779D0 GB 9226779 D0 GB9226779 D0 GB 9226779D0 GB 929226779 A GB929226779 A GB 929226779A GB 9226779 A GB9226779 A GB 9226779A GB 9226779 D0 GB9226779 D0 GB 9226779D0
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.)
Pending
Application number
GB929226779A
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
Priority to GB929226779A priority Critical patent/GB9226779D0/en
Publication of GB9226779D0 publication Critical patent/GB9226779D0/en
Priority to GB9325817A priority patent/GB2274043B/en
Pending 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)
GB929226779A 1992-12-23 1992-12-23 Customer identity validation Pending GB9226779D0 (en)

Priority Applications (2)

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

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB9226779D0 true GB9226779D0 (en) 1993-02-17

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 After (1)

Application Number Title Priority Date Filing Date
GB9325817A Expired - Fee Related GB2274043B (en) 1992-12-23 1993-12-17 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
JPH10500832A (en) * 1995-03-17 1998-01-20 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ Communication system for detecting unauthorized entry of terminal units
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2621437B1 (en) * 1987-10-01 1990-01-05 Genin Jacques 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
GB2274043B (en) 1997-06-18
GB2274043A (en) 1994-07-06

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