MEG service is a comprehensive solution of NCS Media Corporation in collaboration with VinaPhone based on mobile network to provide operator service for enterprises. MEG service not only maintains the features of a traditional PBX, but also adds a lot of other remarkable features in the contact between extensions as well as the contact inside and outside PBX. MEG service is the only voice solution allowing the connection between: CUSTOMERS – ENTERPRISES – STAFFS. Besides, MEG service permits enterprises to reduce hardware investment cost, are available for voice applications, and provides advanced management functions. The values MEG service brings for enterprises are: A fulfill communication system used for both fixed and mobile users. No hardware investment cost, no system maintenance fee. Always available, no congestion. Optimization and management of enterprise communications expense.