(19)

(11)

EP 1 794 935 A1

(12)

(43) Date of publication: 13.06.2007 Bulletin 2007/24 (21) Application number: 05850648.6 (22) Date of filing: 23.09.2005

(51) International Patent Classification (IPC):  H04L 12/28(2006.01) H04Q 7/38(2006.01) (86) International application number: PCT/IB2005/002820 (87) International publication number: WO 2006/048706 (11.05.2006 Gazette 2006/19)

(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: 01.10.2004 US 954197 11.05.2005 US 126288 (71) Applicant: Nokia Corporation 02150 Espoo (FI)	(72) Inventors: HALKKA, Vesa FIN-00420 Helsinki (FI) MÄKI, Jussi, E. FIN-02340 Espoo (FI) (74) Representative: Becker Kurig Straus  Patentanwälte Bavariastrasse 7 80336 München 80336 München (DE)