(19)

(11)

EP 1 565 853 A2

(12)

(88) Date of publication A3: 29.07.2004 (43) Date of publication: 24.08.2005 Bulletin 2005/34 (21) Application number: 03773872.1 (22) Date of filing: 17.11.2003

(51) International Patent Classification (IPC)7: G06F 17/60 (86) International application number: PCT/GB2003/004966 (87) International publication number: WO 2004/049218 (10.06.2004 Gazette 2004/24)

(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: 27.11.2002 GB 0227610 (71) Applicant: TC Communications PLC Berkshire SL5 7JR (GB)	(72) Inventor: KEANE, Mathew Farnham,Surrey GU9 0AZ (GB) (74) Representative: Mackenzie, Andrew Bryan et al Marks & Clerk 45 Grosvenor Road St. Albans, Hertfordshire AL1 3AW St. Albans, Hertfordshire AL1 3AW (GB)