(19)

(11)

EP 2 235 916 A1

(12)

(43) Date of publication: 06.10.2010 Bulletin 2010/40 (21) Application number: 08864999.1 (22) Date of filing: 19.12.2008

(51) International Patent Classification (IPC):  H04L 29/08(2006.01) (86) International application number: PCT/EP2008/010966 (87) International publication number: WO 2009/080330 (02.07.2009 Gazette 2009/27)

(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: 20.12.2007 EP 07123760 (71) Applicant: Option NV 3001 Leuven (NL)	(72) Inventors: FAES, Koen, Karl, Celest B-2018 Antwerpen (BE) MORTELMANS, Paul, Frans, Marta B-2861 Sint-Katelijne-Waver (BE) (74) Representative: BiiP cvba  Culliganlaan 1B 1831 Diegem (Bruxelles) 1831 Diegem (Bruxelles) (BE)