(19)

(11)

EP 1 010 347 A1

(12)

(43) Date of publication: 21.06.2000 Bulletin 2000/25 (21) Application number: 97944248.0 (22) Date of filing: 26.09.1997

(51) International Patent Classification (IPC)7: H04Q 11/04, H04L 5/02, H04J 3/22 (86) International application number: PCT/SE9701/621 (87) International publication number: WO 9815/157 (09.04.1998 Gazette 1998/14)

(84) Designated Contracting States: AT DE DK ES FI FR GB IT NL SE (30) Priority: 01.10.1996 SE 9603598 (71) Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (publ) 126 25 Stockholm (SE)	(72) Inventor: ISAKSSON, Leif S-135 42 Tyresö (SE) (74) Representative: Bergentall, Annika Maria  Cegumark AB,P.O. Box 53047 400 14 Göteborg 400 14 Göteborg (SE)