(19)

(11)

EP 0 919 052 A1

(12)

(43) Date of publication: 02.06.1999 Bulletin 1999/22 (21) Application number: 97919840.0 (22) Date of filing: 08.04.1997

(51) International Patent Classification (IPC):  G10L 13/ 02( . ) G10L 11/ 04( . ) G10L 15/ 02( . ) G10L 13/ 08( . ) G10L 13/ 04( . ) G10L 15/ 18( . ) (86) International application number: PCT/SE1997/000583 (87) International publication number: WO 1997/043756 (20.11.1997 Gazette 1997/50)

(84) Designated Contracting States: CH DE DK FI FR GB LI NL (30) Priority: 13.05.1996 SE 19960001811 (71) Applicant: TELIA AB 123 86 Farsta (SE)	(72) Inventor: LYBERG, Bertil S-610 72 Vagnhärad (SE) (74) Representative: Akerman, Marten Lennart  Albihns Patentbyra Malmö AB P.O.Box 4289 203 14 Malmö 4 203 14 Malmö 4 (SE)