(19)

(11)

EP 0 811 297 A1

(12)

(43) Date of publication: 10.12.1997 Bulletin 1997/50 (21) Application number: 96902296.0 (22) Date of filing: 14.02.1996

(51) International Patent Classification (IPC):  H04W 88/ 12( . ) (86) International application number: PCT/FI1996/000085 (87) International publication number: WO 1996/026617 (29.08.1996 Gazette 1996/39)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 20.02.1995 FI 19950000776 (71) Applicant: NOKIA TELECOMMUNICATIONS OY 02150 Espoo (FI)	(72) Inventor: LAATU, Juho FIN-00160 Helsinki (FI) (74) Representative: Äkräs, Tapio Juhani, et al  Oy Kolster Ab, Iso Roobertinkatu 23, P.O. Box 148 00121 Helsinki 00121 Helsinki (FI)