Convergence, telecommunications, VOIP, lans, WAN, VPN, broadcasting, broadband, IP PBX, TCP/ IP etc, are terms which challenge you? However, your trade of manufacturer, doctor, economist, of farmer, should not force you to become a specialist in telecommunications, in virtual networks, network infrastructure, even if these technologies accompany you daily. Your trade is to manufacture at best price, the product which you imagined with your engineers, not to produce IT services; it consists in selling your services in the constant regardness of keeping a high competitiveness level, not to occupy you of your IT support. To allow you to effecientlyconcentrate your energies of exercise of your trade, we gather various trades resulting from communication and information technologies, around a structure of federated competences all necessary to study, realization, maintenance, with the evolution, of your IT projects.