windows/linux平台下C语言编写的sip软电话siphon最新版本。

一个透明时钟程序-a transparent procedures Clock

ip电话软件speakfs 7.2版本，GSM, ADPCM, LPC, and LPC-10压缩和多种加密算法-ip phone software speakfs 7.2 version, GSM, ADPCM, LPC, and LPC-10 compression and a variety of encryption algorithm

SKYPE SDK 简单演示说明例程，起到抛转引玉作用-SKYPE SDK simple demonstration that routines play a role in throwing quoted Jade

不错的网络ip电话程序（源程序）-good ip telephone network (source)

H.323协议源码开发包，可以很方便地开符合标准的H.323终端或MCU，内容已经过测试-H.323 source development kits, it is easy to open sub-standard H.323 terminals or MCU, which has been tested

PX3230S协议栈软件包实现了International Telecommunication Union (ITU) H.323协议。主要是H.323版本1和版本2。可以参考其中的实例代码，学习网络音频、视频的传输协议。-PX3230S protocol stack software package to achieve the International Telecommunication Union (ITU) H.323 protocol. Mainly H.323 version 1 and version 2. Refer to examples of code, learning network audio, video transport protocol.

一个制作很精美的视频聊天程序，可以方便的改变音量，视频采集率，有通迅录，还带文本聊天功能-a very beautifully produced video chat program, to facilitate the change in volume, rate video capture, communications were also brings text chat

osip，exosip，ortp...是在网络电话中使用非常广泛的几个开源库。这里是在VC7环境下已经编译好的lib文件和dll文件，在windows环境下可以直接使用，省却了重新编译的烦恼。-osip, exosip, ortp ... is the phone in the network is widely used in several open source libraries. Here is the VC7 environment has been compiled lib files and dll files in the windows environment, can be used directly without the need to re-compile troubles.

2003年最新版ITU-T H.323协议全文，为H.323IP电话系统开发工作提供最权威、最直接的指导。-2003 the latest version of the ITU-T H.323 transcript of H.323IP telephone systems development work to provide the most authoritative and most direct guidance.

pjsip 源码，易于学习pjsip 的ua调用-pjsip source, easy to learn pjsip the ua call