GmbH, Mobile Entertainment Forum, Orange Group, Royal KPN N.V., SFR, Telecom Italia S.p.A, Telefonica Moviles S.A., Telenor, TeliaSonera and Vodafone Limited.
GmbH, Mobile Entertainment Forum, Orange Group, Royal KPN N.V., SFR, Telecom Italia S.p.A, Telefonica Moviles S.A., Telenor, TeliaSonera ning Vodafone Limited.