企业即时通讯工具，客户端使用VC＋＋开发，实现局域网内点对点的文本、文件、语音、视频传输；服务器端在Linux系统下开发；,Enterprise instant messaging tool, the client using VC++ development, peer-to-peer LAN with text, documents, voice, video transmission server-side development in the Linux system

VC++演示了socket的应用，局域网简单传送文本文件，适合VC++初学者使用。-VC++ application demonstrates the socket, local area network to send a simple text file, suitable for beginners to use VC++.

vc实现基于sip协议的客户端，Linux C实现基于sip协议服务器。客户端类似于QQ聊天工具，可实现文本聊天，语音对讲以及文件传输和视频聊天。-vc the sip protocol-based client, Linux C achieve the sip protocol-based server. The client is similar to the QQ chat, text chat, the voice intercom as well as the file transfe

vc下聊天室程序，文本聊天，文件传输，多线程等-chat on vc