(19)

(11)

EP 1 604 316 A1

(12)

(43) Date of publication: 14.12.2005 Bulletin 2005/50 (21) Application number: 04717634.2 (22) Date of filing: 05.03.2004

(51) International Patent Classification (IPC)7: G06F 17/60, G07F 19/00 (86) International application number: PCT/EP2004/002371 (87) International publication number: WO 2004/079604 (16.09.2004 Gazette 2004/38)

(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: 07.03.2003 EP 03075679 (71) Applicant: Koninklijke KPN N.V. 9726 AE Groningen (NL)	(72) Inventors: FALKENHAIN, Frank 42489 Wülfrath (DE) THIERBACH, Heiko 90480 Nürnberg (DE) (74) Representative: Wuyts, Koenraad Maria  Koninklijke KPN N.V., Intellectual Property Group, P.O. Box 95321 2509 CH Den Haag 2509 CH Den Haag (NL)