(19)

(11)

EP 1 869 608 A1

(12)

(43) Date of publication: 26.12.2007 Bulletin 2007/52 (21) Application number: 06709869.9 (22) Date of filing: 23.02.2006

(51) International Patent Classification (IPC):  G06F 21/20(2006.01) (86) International application number: PCT/GB2006/000637 (87) International publication number: WO 2006/103383 (05.10.2006 Gazette 2006/40)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 31.03.2005 GB 0506570 14.04.2005 GB 0507587 (71) Applicant: Vodafone Group PLC Newbury Berkshire RG14 2FN (GB)	(72) Inventor: KORAICHI, Najib NL-6333 CT Schimmert (NL) (74) Representative: Keston, David Arthur et al Vodafone Group Services Ltd. Group Legal (Patents) Vodafone House The Connection Newbury Berkshire RG14 2FN Newbury Berkshire RG14 2FN (GB)