(19)

(11)

EP 0 932 950 A1

(12)

(43) Date of publication: 04.08.1999 Bulletin 1999/31 (21) Application number: 97942971.0 (22) Date of filing: 26.09.1997

(51) International Patent Classification (IPC):  H04J 3/ 06( . ) (86) International application number: PCT/FI1997/000584 (87) International publication number: WO 1998/015078 (09.04.1998 Gazette 1998/14)

(84) Designated Contracting States: BE CH DE DK FR GB IT LI NL PT SE (30) Priority: 30.09.1996 FI 19960003910 (71) Applicant: NOKIA TELECOMMUNICATIONS OY 02150 Espoo (FI)	(72) Inventor: KAINULAINEN, Jukka FIN-00720 Helsinki (FI) (74) Representative: Honkanen, Jukka Samuli, et al  Patent Agency Compatent Ltd., P.O. Box 156 00511 Helsinki 00511 Helsinki (FI)