(19)

(11)

EP 2 127 328 A2

(12)

(88) Date of publication A3: 12.02.2009 (43) Date of publication: 02.12.2009 Bulletin 2009/49 (21) Application number: 08709197.1 (22) Date of filing: 25.02.2008

(51) International Patent Classification (IPC):  H04L 29/12(2006.01) (86) International application number: PCT/EP2008/052228 (87) International publication number: WO 2008/102013 (28.08.2008 Gazette 2008/35)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR (30) Priority: 23.02.2007 GB 0703595 (71) Applicant: Orange Personal Communications Services Ltd. Bristol BS32 4QJ (GB)	(72) Inventors: MACHIN, Sam Bristol (GB) BOX, Chris Bristol (GB) ROSS, Paul Berkshire (GB) (74) Representative: Moir, Elizabeth et al EIP Fairfax House 15 Fulwood Place GB-London WC1V 6HU GB-London WC1V 6HU (GB)