(19)

(11)

EP 1 958 405 A2

(12)

(88) Date of publication A3: 27.09.2007 (43) Date of publication: 20.08.2008 Bulletin 2008/34 (21) Application number: 06842209.6 (22) Date of filing: 27.11.2006

(51) International Patent Classification (IPC):  H04L 25/49(2006.01) (86) International application number: PCT/IB2006/003370 (87) International publication number: WO 2007/063387 (07.06.2007 Gazette 2007/23)

(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: 01.12.2005 EP 05026267 (71) Applicant: Nokia Corporation 02150 Espoo (FI)	(72) Inventor: VARIS, Jukka FIN-24800 Halikko (FI) (74) Representative: Eisenführ, Speiser & Partner  Patentanwälte Rechtsanwälte Postfach 31 02 60 80102 München 80102 München (DE)