(19)

(11)

EP 0 765 585 A1

(12)

(43) Date of publication: 02.04.1997 Bulletin 1997/14 (21) Application number: 95922816.0 (22) Date of filing: 30.05.1995

(51) International Patent Classification (IPC):  H04W 16/ 18( . ) (86) International application number: PCT/SE1995/000609 (87) International publication number: WO 1995/035005 (21.12.1995 Gazette 1996/02)

(84) Designated Contracting States: CH DE DK ES FR GB IT LI NL (30) Priority: 13.06.1994 SE 19940002040 (71) Applicant: TELIA AB 123 86 Farsta (SE)	(72) Inventor: STJERNHOLM, Paul S-123 71 Farsta (SE) (74) Representative: Karlsson, Berne  Telia Research AB, Rudsjöterrassen 2 136 80 Haninge 136 80 Haninge (SE)