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(11)

EP 2 250 788 A1

(12)

(43) Date of publication: 17.11.2010 Bulletin 2010/46 (21) Application number: 09714746.6 (22) Date of filing: 13.02.2009

(51) International Patent Classification (IPC):  H04L 29/06(2006.01) H04N 5/00(2006.01) H04N 7/173(2006.01) (86) International application number: PCT/FI2009/050117 (87) International publication number: WO 2009/106681 (03.09.2009 Gazette 2009/36)

(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 MK MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 29.02.2008 FI 20085188 (71) Applicant: Teleste Oyj 20660 Littoinen (FI)	(72) Inventors: PÖRI, Pasi FI-33850 Tampere (FI) HARTIKAINEN, Sami FI-33710 Tampere (FI) JOKELA, Harri FI-33330 Tampere (FI) (74) Representative: Pursiainen, Timo Pekka et al Tampereen Patenttitoimisto Oy Hermiankatu 1 B 33720 Tampere 33720 Tampere (FI)