(19)

(11)

EP 1 153 498 A1

(12)

(43) Date of publication: 14.11.2001 Bulletin 2001/46 (21) Application number: 00903871.2 (22) Date of filing: 17.02.2000

(51) International Patent Classification (IPC)7: H04L 12/58 (86) International application number: PCT/GB0000/560 (87) International publication number: WO 0049/776 (24.08.2000 Gazette 2000/34)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 17.02.1999 GB 9903672 (71) Applicant: Argo Interactive Limited Elstead,Surrey GU8 6LB (GB)	(72) Inventors: JELBERT, Richard Chichester,West Sussex PO19 2NG (GB) TRIBBECK, Jason, Paul Southsea,Portsmouth PO4 0QW (GB) (74) Representative: Robinson, Nigel Alexander Julian  D. Young & Co.,21 New Fetter Lane London EC4A 1DA London EC4A 1DA (GB)