(19)

(11)

EP 1 861 960 A1

(12)

(43) Date of publication: 05.12.2007 Bulletin 2007/49 (21) Application number: 06726520.7 (22) Date of filing: 24.03.2006

(51) International Patent Classification (IPC):  H04L 12/28(2006.01) (86) International application number: PCT/GB2006/001111 (87) International publication number: WO 2006/100515 (28.09.2006 Gazette 2006/39)

(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: 24.03.2005 GB 0506121 (71) Applicant: The Wandsworth Group Limited Woking, Surrey GU21 5SE (GB)	(72) Inventor: BOARER, Terence West Sussex BN5 9HF (GB) (74) Representative: Oxley, Robin John George  Marks & Clerk 90 Long Acre London WC2E 9RA London WC2E 9RA (GB)