Remote conferencing system is a merger of computer and telecommunication. It can provide a perfect cooperation environment to the distant persons. But the traditional conferencing system don't becomes popularity for it's complexity and big investment. Newly emerging desktop conferencing system not only provides a good cooperation environment, also has simpler equipment and smaller investment. Since then, the desk conferencing system causes the people's care and develops rapidly. During the promotion of its adoption, it is found what the most customers?concern are its three aspects, i.e. easy maintenance (including function extensible), reasonable security and available QoS management. In order to satisfy customers?requirement, object-oriented analysis and design, enciperment mechanism and its applications, and IPQoS management are carefully studied, then the existing desktop conferencing system is partially redesigned and enhanced by using the above new technologies. |