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(11)

EP 0 972 397 A1

(12)

(43) Date of publication: 19.01.2000 Bulletin 2000/03 (21) Application number: 98912870.7 (22) Date of filing: 27.03.1998

(51) International Patent Classification (IPC)7: H04M 3/42, H04Q 3/64, H04Q 3/00 (86) International application number: PCT/SE9800/570 (87) International publication number: WO 9844/706 (08.10.1998 Gazette 1998/40)

(84) Designated Contracting States: CH DE DK FI FR GB LI NL SE Designated Extension States: LT LV (30) Priority: 27.03.1997 SE 9701206 (71) Applicant: Telia AB (publ) 123 86 Farsta (SE)	(72) Inventor: EIDE, Rune S-393 58 Kalmar (SE) (74) Representative: Akerman, Marten Lennart et al Albihns Patentbyra Malmö ABP.O.Box 4289 203 14 Malmö 4 203 14 Malmö 4 (SE)