(19)

(11)

EP 1 086 576 A1

(12)

(43) Date of publication: 28.03.2001 Bulletin 2001/13 (21) Application number: 99922207.8 (22) Date of filing: 03.05.1999

(51) International Patent Classification (IPC)7: H04M 15/00, H04Q 7/38 (86) International application number: PCT/FI9900/364 (87) International publication number: WO 9957/879 (11.11.1999 Gazette 1999/45)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 04.05.1998 FI 980983 (71) Applicant: Nokia Networks Oy 02150 Espoo (FI)	(72) Inventors: WALLENIUS, Jukka FIN-00940 Helsinki (FI) KORHONEN, Aki FIN-00200 Helsinki (FI) (74) Representative: Virkkala, Jukka Antero et al Kolster Oy Ab,Iso Roobertinkatu 23,P.O. Box 148 00121 Helsinki 00121 Helsinki (FI)