(19)

(11)

EP 1 854 328 A2

(12)

(88) Date of publication A3: 11.01.2007 (43) Date of publication: 14.11.2007 Bulletin 2007/46 (21) Application number: 06765459.0 (22) Date of filing: 24.02.2006

(51) International Patent Classification (IPC):  H04Q 7/38(2006.01) H04L 12/56(2006.01) (86) International application number: PCT/IB2006/001474 (87) International publication number: WO 2006/114710 (02.11.2006 Gazette 2006/44)

(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: 28.02.2005 US 68055 10.08.2005 US 706744 P (71) Applicant: Nokia Corporation 02150 Espoo (FI)	(72) Inventors: RINNE, Mika, P. FIN-02320 Espoo (FI) TIRKKONEN, Olav FIN-00720 Helsinki (FI) (74) Representative: Ruuskanen, Juha-Pekka  Page White & Farrer Bedford House John Street London, WC1N 2BF London, WC1N 2BF (GB)