The VIS-DMD-T is a multimedia conference unit based on the VISSONIC AUDIOLINK IP network technology. It is equipped with a 5-inch IPS touch screen, which improves the flexibility of the conference and the interactivity of the meeting content. This unit can set as chairman, delegate, VIP or dual-user unit according to the requirements of the conference. As the various requirements of meeting, it can upgrade the software to achieve more functions without changing unit or hardware.