(19)
(11) EP 1 561 335 A1

(12)

(43) Date of publication:
10.08.2005 Bulletin 2005/32

(21) Application number: 03810554.0

(22) Date of filing: 05.11.2003
(51) International Patent Classification (IPC)7H04M 3/38, H04M 1/67
(86) International application number:
PCT/IB2003/004934
(87) International publication number:
WO 2004/043051 (21.05.2004 Gazette 2004/21)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 06.11.2002 ZA 200209020
05.08.2003 ZA 200306032

(71) Applicant: Telkom SA Limited
0002 Pretoria (ZA)

(72) Inventors:
  • DE WET, Andies, Petrus
    0159 PRETORIA (ZA)
  • CARTWRIGHT, Eric, David
    2194 RANDBURG (ZA)
  • BASON, Russel, Munro
    0043 PRETORIA (ZA)

(74) Representative: Johnstone, Helen Margaret et al
Eric Potter ClarksonPark View House58 The Ropewalk
Nottingham NG1 5DD
Nottingham NG1 5DD (GB)

   


(54) A TELEPHONE FRAUD PREVENTION SYSTEM