(19)

(11)

EP 2 177 005 A2

(12)

(88) Date of publication A3: 19.03.2009 (43) Date of publication: 21.04.2010 Bulletin 2010/16 (21) Application number: 08774042.9 (22) Date of filing: 23.07.2008

(51) International Patent Classification (IPC):  H04L 29/06(2006.01) H04W 8/04(2009.01) H04L 29/12(2006.01) H04W 8/18(2009.01) (86) International application number: PCT/EP2008/006038 (87) International publication number: WO 2009/015814 (05.02.2009 Gazette 2009/06)

(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: 27.07.2007 US 962188 P (71) Applicant: Koninklijke KPN N.V. 2516 CK The Hague (NL)	(72) Inventors: MOERMANS, Willem, Jacques, Alexander NL-2545 GS The Hague (NL) SAMSOM, Sebastianus, Maria NL-2719 PH Zoetermeer (NL) KRISCHAN, Olger NL-2925 CK Krimpen aan de Ijssel (NL)