(19)

(11)

EP 0 948 880 A2

(12)

(43) Date of publication: 13.10.1999 Bulletin 1999/41 (21) Application number: 97947751.0 (22) Date of filing: 17.12.1997

(51) International Patent Classification (IPC):  H04Q 1/ 10( . ) H05K 7/ 18( . ) H05K 7/ 14( . ) (86) International application number: PCT/FI1997/000802 (87) International publication number: WO 1998/031205 (16.07.1998 Gazette 1998/28)

(84) Designated Contracting States: BE DE FR GB IT SE (30) Priority: 18.12.1996 FI 19960005100 (71) Applicant: NOKIA TELECOMMUNICATIONS OY 02150 Espoo (FI)	(72) Inventors: NORDSTRÖM, Caj FIN-02760 Espoo (FI) HURME, Harri FIN-02100 Espoo (FI) TAKALUOMA, Antti FIN-91100 Ii (FI) (74) Representative: Holmström, Stefan Mikael, et al  Kolster Oy Ab, Iso Roobertinkatu 23, P.O. Box 148 00121 Helsinki 00121 Helsinki (FI)