RealNetworks’ new encoding tool, Mobile Producer, creates content for 3GPP-compliant devices. Envivio — the France Telecom subsidiary whose software RealNetworks used to support MPEG-4 in their platform — is creating the new product in partnership with RealNetworks.
3GPP is the Third-Generation Partnership Project, an organization that brings together several telecommunications standards bodies to define standards for 3G mobile devices. 3GPP has standardized on MPEG-4 for 3GPP-compliant devices. Link