The dissertation explicates the design and realization of H.323 protocol and its corresponding unit test module in the ZXMVC4050 Video-conference system, which is running in the pSOS RTOS.

• 本文主要论述了运行在嵌入式实时操作系统（pSOS）上的H.；323协议栈系统的设计和实现及其相应单元测试软件的实现。