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EP 2 151 075 A2

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(88) Date of publication A3: 29.10.2009 (43) Date of publication: 10.02.2010 Bulletin 2010/06 (21) Application number: 08776420.5 (22) Date of filing: 30.05.2008

(51) International Patent Classification (IPC):  H04H 20/26(2008.01) H04H 20/42(2008.01) H04N 7/24(2006.01) (86) International application number: PCT/IB2008/052130 (87) International publication number: WO 2008/149271 (11.12.2008 Gazette 2008/50)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 04.06.2007 US 757920 05.06.2007 US 758613 (71) Applicant: Nokia Corporation 02150 Espoo (FI)	(72) Inventors: HANNUKSELA, Miska FI-36110 Ruutana (FI) VADAKITAL, Vinod Kumar Malamal FI-33720 Tampere (FI) BOUAZIZI, Imed FI-33720 Tampere (FI) (74) Representative: Tognetty, Virpi Maria et al Nokia Corporation IPR Department Keilalahdentie 4 01250 Espoo 01250 Espoo (FI)