Touchstone Technologies has been providing essential communications testing solutions since 1989. Specializing in delivering exceptional value in state-of-the-art voice and video test and measurement products, Touchstone offers highly scalable, widely deployable call generation, monitoring, and analysis tools designed for complete lifecycle testing of networks and network devices. The WinSIP¿ and Win323¿ real-time call generators feature 100% software based voice and video over IP call emulation. Our WinEyeQ¿ monitoring and analysis solution provides an intuitive VoIP-centric view of your network traffic. Our Net Observer¿ solution has been selected to monitor the world's largest Tier 1 carrier's global business VoIP initiative in up to 100,000 sites around the world.