(19)

(11)

EP 1 604 328 A1

(12)

(43) Date of publication: 14.12.2005 Bulletin 2005/50 (21) Application number: 04718782.8 (22) Date of filing: 09.03.2004

(51) International Patent Classification (IPC)7: G06K 19/07, G06F 12/08 (86) International application number: PCT/SE2004/000334 (87) International publication number: WO 2004/081859 (23.09.2004 Gazette 2004/39)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 12.03.2003 US 300675 (71) Applicant: Telia AB (publ) 123 86 Farsta (SE)	(72) Inventor: NY, Johan S-126 52 Hägersten (SE) (74) Representative: Hopfgarten, Nils  Groth & Co.KB P.O. Box 6107 102 32 Stockholm 102 32 Stockholm (SE)