时通讯和P2P开发工具，由一套易用的控件和DLL组成，功能包括好友列表，上下线管理，即时文字通讯，语音通讯，视频通讯，文件传输，IP电话等即时通讯功能。 -when P2P communications and development tool, a set of easy-to-use controls and DLL components, functions including friends list, on the lower level management, instant tex