(19)

(11)

EP 1 856 927 A2

(12)

(88) Date of publication A3: 29.03.2007 (43) Date of publication: 21.11.2007 Bulletin 2007/47 (21) Application number: 06721138.3 (22) Date of filing: 28.02.2006

(51) International Patent Classification (IPC):  H04Q 7/24(2006.01) H04L 12/28(2006.01) H04Q 7/20(2006.01) H04L 12/66(2006.01) (86) International application number: PCT/US2006/007354 (87) International publication number: WO 2006/094087 (08.09.2006 Gazette 2006/36)

(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: 01.03.2005 GB 0504146 (71) Applicant: Motorola, Inc. Schaumburg, IL 60196 (US)	(72) Inventor: SALKINTZIS, Apostolis GR-15125 Attika (GR) (74) Representative: McLeish, Nicholas Alistair Maxwell  Boult Wade Tennant Verulam Gardens 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)