Within COBRA-3 (Cooperation within Bureau, Research, and Administration), a joint strategic project of the Fraunhofer-Society and the Deutsche Telekom Berkom GmbH, 11 Fraunhofer-Institutes and more than 40 partners from industry are realizing and testing cooperative, multimedia telecommunication applications, especially supporting small and medium-sized enterprises. The research activities of the Fraunhofer Institute for Computer Graphics within COBRA-3 are focused on the realization of telecommunication basic services and on applications from the fields telelearning, telecooperation in research and development and tele-services for the home area.