(19)

(11)

EP 0 917 779 A1

(12)

(43) Date of publication: 26.05.1999 Bulletin 1999/21 (21) Application number: 97929329.0 (22) Date of filing: 03.07.1997

(51) International Patent Classification (IPC):  H04J 3/ 06( . ) (86) International application number: PCT/FI1997/000432 (87) International publication number: WO 1998/004064 (29.01.1998 Gazette 1998/04)

(84) Designated Contracting States: BE DE FR GB IT NL SE (30) Priority: 19.07.1996 FI 19960002910 (71) Applicant: NOKIA TELECOMMUNICATIONS OY 02150 Espoo (FI)	(72) Inventor: KAPANEN, Jouko, Juhani FIN-00420 Helsinki (FI) (74) Representative: Savela, Antti-Jussi, et al  Patent Agency Compatent Ltd. P.O. Box 156 00511 Helsinki 00511 Helsinki (FI)