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This paper describes the required building blocks in developing a software based real-time multiple H.264 video streaming system. Here, we consider video capture using Microsoft® DirectShow and video codec based on Intel® Integrated Performance Primitives (IPP) H.264 codec library where the Real-time Transport Protocol (RTP) is utilized as the transport protocol for the compressed video packets. These modules are implemented and combined to develop a system, which is able to stream and receive four simultaneous CIF video streams or one 720p High Definition video stream. Experiments were carried out to verify the basic performance of the developed system. Performance of the developed system is also compared to that of Intel's IPP H.263 codec library and a commercial video streaming solution.