MegaStream multimedia-video conference system is a professional, high level video software to provide the latest high-definition video and the best HD H.264 technology that allows video display smoothly. There are numerous types of information interaction mechanism. MS Office documents, Adobe PDF files, and other common documents are compatible. In addition, the system has the functions of program sharing and dual-screen that allow the meeting is operated easily. By the interoperability function of instant message communication, you can call participants anytime on-line. The system supports the multiple H.323 call function, so it can simultaneously connect with Polycom, Tandberg and LifeSize. It supports SIP standard, then you can hold a meeting by the telephone or interphone, to gain the benefits of collaborative operations.