Running as a server, you can wait for one or more clients. Choose your microphone and listen device if wanted, but you can run the server without hearing or speaking server sides, so that only the clients speak to each other. Each client can be muted exclusive (Speaker and Micro). The IP-Address must be the address of your computer. The port number should not be used by other applications. The Jitter-Buffer value server sides is important for the delay of all connected clients. Use the lowest value as possible. The server has to mix all datas from all clients, so you should choose a performant workstation on which to run the server. The quality of the speak depends on the SamplesPerSecond value.