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(11)

EP 1 226 731 A1

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(43) Date of publication: 31.07.2002 Bulletin 2002/31 (21) Application number: 00954661.5 (22) Date of filing: 25.08.2000

(51) International Patent Classification (IPC)7: H04Q 7/38 (86) International application number: PCT/EP0008/347 (87) International publication number: WO 0217/668 (28.02.2002 Gazette 2002/09)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (71) Applicant: Nokia Corporation 02150 Espoo (FI)	(72) Inventors: PARANTAINEN, Janne FIN-00500 Helsinki (FI) SEBIRE, Guillaume FIN-00150 Helsinki (FI) (74) Representative: Leson, Thomas Johannes Alois, Dipl.-Ing.  Tiedtke-Bühling-Kinne & Partner GbR,TBK-Patent,Bavariaring 4 80336 München 80336 München (DE)