能提供文件传输、ECHO、TIME和DAYTIME服务，即在多协议单服务服务器的基础上实现多协议多服务服务器（超级服务器）。同时支持UDP和TCP-To provide file transfer, ECHO, TIME and DAYTIME services, that is, a single multi-protocol services in the server based on multi-service multi-protocol server (super server).

linphone-3.3.0 版本，这个就不多做介绍了，知道的人都知道！如果还是不知道，那么看看下面英文的介绍吧。-Features Linphone provides a large amount of functionalities. List of supported features: * audio with the following codecs: speex (narrow band and wideband), G711 (ulaw,alaw),

使用UDP协议写的一个ECHO的客户端和服务器的程序（原创+可执行）-Using the UDP protocol to write a ECHO client and server program (original+ executable)