Dinstar UC350-100C is a new generation of large capacity unified communication. Based on powerful hardware platform, It supports 800 extensions and 100 concurrent calls which is integrated voice, video, paging, fax, conference, recording and other useful functions. It also provides four slots which are able to install E1/T1 boards, FXS and FXO boards by hot-plug mode, so that it can be flexibly configured and combined according to the actual use scenarios. It is not only suitable for helping to build the telephony system of large and medium-sized enterprises, but also can meet the branch office needs of large group enterprises and government agencies, helping enterprises and industry customers to establish a convenient and efficient IP telephone system.