With the quick development of information technologies and the popularity of high-end service applications, particularly the quick development of current data integration applications such as three-network integration and e-commerce, computer network systems, a necessary and important tool for modern communications systems, will surely put forward stricter requirements for the existing information systems’ advancement, openness, stability, extensibility and adaptation to new technologies and services. This system can be used for establishing a convenient internal and external communication platform system in the intranet of an enterprise or a public institution, a public security network or the Internet to make its internal and external communication and management convenient.