(高仿QQ源码)，可在广域网部署运行。支持：文字/语音/视频聊天，文件传送，离线文件，离线消息，视频会议，性能稳定，绝不是一个玩具或demo。-(High imitation QQ source) can be deployed to run on the WAN. Support: text/voice/video chat, file transfer, offline files, offline messaging, video conferencing, stable performa