Sax CommStudio makes it easy to let your application communicate using the serial port and modems. Sax CommStudio is a comprehensive set of components and visual debugging tools that integrate remote systems and devices with Visual Studio 2005, Visual Studio .NET 2003 and Visual Basic 6. Developing software that integrates with legacy systems and external devices presents significant challenges, including the need for real time communications and the lack of direct control over external systems. Sax CommStudio’s integrated debugging tools extend the power of Visual Studio beyond the desktop to external systems and devices.