TeamTalk SDK 4.1a Free download

TeamTalk 4 SDK is programming tool that allows quickly developing applications with instant messaging, voice over IP and video capturing capabilities. It consists of both client and server. It's a standalone application providing user authentication and keeps track of connected clients. Each server is capable of serving 1000 simultaneous clients. Client is wrapped in DLL file enabling developer to add more features to application like: Tree structure for grouping clients; CELT and Speex audio codecs for VoIP; AEC; PTT and VAD; VBR and CBR; bitrate as well as configurable quality; Secure data transmission using TLS and BlowFish encryption; comes in two versions, one for development in .NET Framework and other with C-API for development in C and C++.