SG54283A1 - Cellular telephone anti-fraud system - Google Patents

Cellular telephone anti-fraud system

Info

Publication number
SG54283A1
SG54283A1 SG1996007675A SG1996007675A SG54283A1 SG 54283 A1 SG54283 A1 SG 54283A1 SG 1996007675 A SG1996007675 A SG 1996007675A SG 1996007675 A SG1996007675 A SG 1996007675A SG 54283 A1 SG54283 A1 SG 54283A1
Authority
SG
Singapore
Prior art keywords
cellular telephone
fraud system
telephone anti
fraud
cellular
Prior art date
Application number
SG1996007675A
Other languages
English (en)
Inventor
Max B Frederick
Original Assignee
Corsair Communications Inc
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 Corsair Communications Inc filed Critical Corsair Communications Inc
Publication of SG54283A1 publication Critical patent/SG54283A1/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/12Detection or prevention of fraud
    • H04W12/126Anti-theft arrangements, e.g. protection against subscriber identity module [SIM] cloning
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06Authentication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/60Context-dependent security
    • H04W12/69Identity-dependent
    • H04W12/72Subscriber identity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)
SG1996007675A 1993-06-08 1993-12-23 Cellular telephone anti-fraud system SG54283A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/074,083 US5448760A (en) 1993-06-08 1993-06-08 Cellular telephone anti-fraud system

Publications (1)

Publication Number Publication Date
SG54283A1 true SG54283A1 (en) 1998-11-16

Family

ID=22117618

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996007675A SG54283A1 (en) 1993-06-08 1993-12-23 Cellular telephone anti-fraud system

Country Status (10)

Country Link
US (3) US5448760A (zh)
EP (1) EP0629093A1 (zh)
JP (1) JPH0730965A (zh)
KR (1) KR950002349A (zh)
CN (1) CN1108832A (zh)
CA (1) CA2115796A1 (zh)
FI (1) FI940941A (zh)
MY (1) MY110992A (zh)
SG (1) SG54283A1 (zh)
TW (1) TW290771B (zh)

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US6157825A (en) 2000-12-05
CA2115796A1 (en) 1994-12-09
US6047174A (en) 2000-04-04
EP0629093A1 (en) 1994-12-14
US5448760A (en) 1995-09-05
KR950002349A (ko) 1995-01-04
TW290771B (zh) 1996-11-11
MY110992A (en) 1999-07-31
FI940941A (fi) 1994-12-09
JPH0730965A (ja) 1995-01-31
FI940941A0 (fi) 1994-02-28
CN1108832A (zh) 1995-09-20

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