(19)

(11)

EP 0 963 654 A1

(12)

(43) Date of publication: 15.12.1999 Bulletin 1999/50 (21) Application number: 98906962.0 (22) Date of filing: 19.02.1998

(51) International Patent Classification (IPC):  H04M 15/ 00( . ) (86) International application number: PCT/EP1998/000952 (87) International publication number: WO 1998/038788 (03.09.1998 Gazette 1998/35)

(84) Designated Contracting States: CH DE DK ES FI FR GB IE IT LI NL SE (30) Priority: 26.02.1997 GB 19970004028 (71) Applicant: TELEFONAKTIEBOLAGET LM ERICSSON 126 25 Stockholm (SE)	(72) Inventors: HANSEN, Asger DK-3400 Hillerod (DK) OLSEN, Finn DK-2750 Ballerup (DK) (74) Representative: Vigars, Christopher Ian, et al  Haseltine Lake & Co., Imperial House, 15-19 Kingsway London WC2B 6UD London WC2B 6UD (GB)