(19)

(11)

EP 2 206 371 A2

(12)

(88) Date of publication A3: 22.05.2009 (43) Date of publication: 14.07.2010 Bulletin 2010/28 (21) Application number: 08804619.8 (22) Date of filing: 23.09.2008

(51) International Patent Classification (IPC):  H04W 8/04(2009.01) (86) International application number: PCT/EP2008/062705 (87) International publication number: WO 2009/040351 (02.04.2009 Gazette 2009/14)

(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 Designated Extension States: AL BA MK RS (30) Priority: 28.09.2007 GB 0718928 (71) Applicant: France Télécom SA 75505 Paris Cedex 15 (FR)	(72) Inventors: MENDIZABAL, INIGO ROMERO Bradley Stoke Bristol BS32 4QJ (GB) BAILEY, Steve Bradley Stoke Bristol BS32 4QJ (GB) (74) Representative: McCann, Heather Alison et al EIP Fairfax House 15 Fulwood Place London WC1V 6HU 15 Fulwood Place London WC1V 6HU (GB)