(19)

(11)

EP 1 800 424 A2

(12)

(88) Date of publication A3: 08.06.2006 (43) Date of publication: 27.06.2007 Bulletin 2007/26 (21) Application number: 05789257.2 (22) Date of filing: 30.09.2005

(51) International Patent Classification (IPC):  H04H 1/00(2006.01) (86) International application number: PCT/GB2005/003781 (87) International publication number: WO 2006/035242 (06.04.2006 Gazette 2006/14)

(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: 30.09.2004 GB 0421674 15.03.2005 GB 0505316 (71) Applicant: Radioscape Limited London NW1 4DS (GB)	(72) Inventors: BANHAM, Dominic, Thomas, Parfrey London W9 2DS (GB) SABEL, Les, c/o Radioscape Limited London NW1 4DS (GB) (74) Representative: Langley, Peter James  Origin Limited, 52 Muswell Hill Road London N10 3JR London N10 3JR (GB)