(19)

(11)

EP 0 948 851 A1

(12)

(43) Date of publication: 13.10.1999 Bulletin 1999/41 (21) Application number: 97947742.0 (22) Date of filing: 17.12.1997

(51) International Patent Classification (IPC):  H04W 12/ 00( . ) (86) International application number: PCT/FI1997/000793 (87) International publication number: WO 1998/028877 (02.07.1998 Gazette 1998/26)

(84) Designated Contracting States: DE FR GB NL (30) Priority: 20.12.1996 FI 19960005138 (71) Applicant: NOKIA MOBILE PHONES LTD. 02150 Espoo (FI)	(72) Inventors: HONKANEN, Jukka-Pekka FIN-33720 Tampere (FI) EROLA, Mika FIN-33720 Tampere (FI) TAMSKI, Markku FIN-33540 Tampere (FI) (74) Representative: Pursiainen, Timo Pekka, et al  Tampereen Patenttitoimisto Oy, Hermiankatu 6 33720 Tampere 33720 Tampere (FI)