(19)

(11)

EP 1 121 796 A2

(12)

(88) Date of publication A3: 08.06.2000 (43) Date of publication: 08.08.2001 Bulletin 2001/32 (21) Application number: 99946203.9 (22) Date of filing: 20.09.1999

(51) International Patent Classification (IPC)7: H04M 3/42 (86) International application number: PCT/FI9900/772 (87) International publication number: WO 0018/090 (30.03.2000 Gazette 2000/13)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 21.09.1998 FI 982026 (71) Applicant: Nokia Networks Oy 02150 Espoo (FI)	(72) Inventor: PESONEN, Tero 00400 Helsinki (FI) (74) Representative: Holmström, Stefan Mikael et al Oy Kolster Ab,Iso Roobertinkatu 23,P.O. Box 148 00121 Helsinki 00121 Helsinki (FI)