(19)

(11)

EP 1 772 000 A2

(12)

(88) Date of publication A3: 11.05.2006 (43) Date of publication: 11.04.2007 Bulletin 2007/15 (21) Application number: 05758701.6 (22) Date of filing: 15.07.2005

(51) International Patent Classification (IPC):  H04M 1/725(2006.01) (86) International application number: PCT/IB2005/052358 (87) International publication number: WO 2006/008711 (26.01.2006 Gazette 2006/04)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 16.07.2004 GB 0415926 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: RANKIN, Paul J., c/o Philips Int. Property & Stds. Redhill Surrey RH1 5HA (GB) JAGANNATHA, V., c/o Philips Int. Property & Stds. Redhill Surrey RH1 5HA (GB) BELL, David A., c/o Philips Int. Property & Stds. Redhill Surrey RH1 5HA (GB) (74) Representative: Groenendaal, Antonius W. M.  Philips Intellectual Property & Standards P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)