源代码很好的h323库，开放源代码，有开发指南 -good source of the h323, open source code, development guidelines

基于H.323协议的VOIP实现源码和界面，可供学习和改进，也可直接使用。-The H.323 protocol and the interface based on VOIP implementation source code, for learning and improvement, also can be used directly.