VideoChat SDK for Windows and Linux - Version 4.0 The VideoChat SDK contains a high performance VoIP and Video conferencing client capable of delivering crystal clear sound and video capturing even for both low and high-bandwidth users. VideoChat users are arranged in a tree-structure where each node is a room/channel where users can talk, see Users, send instant messages and share files. Examples of such applications could be Internet phones, conferencing tools, surveillance systems, e-Learning systems, or any other type of application where audio and video transmission between networked clients is an essential part of the application.The VideoChat SDK consists of both a client and a server. The VideoChat server is a standalone application which provides user authentication and keeps track of connected clients. It can operate in both LAN or WAN (Internet) environments. Each server instance is capable of serving 1000 simultaneous clients. A VideoChat client can connect to the server