ip电话软件speakfs 7.2版本，GSM, ADPCM, LPC, and LPC

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.

基于语音传输的电话会议系统源代码，非常值得借鉴和学习-Based on voice over the telephone conferencing system source code, very much worth learning and learning

本程序在 Windows XP、Visual C++ 6.0 环境下编译通过,但需要rtcdll.dll文件（一般在Windows系统安装目录下的system32文件夹中）。另外，需要摄像头和麦克风等设备。 -This procedure in Windows XP, Visual C++ 6.0 compiler environment, but need Rtcdll.dll file (usually in Windows system directory under the system32 folder). In addition, the need for camera and microphone and other equipment.

oSIP开发者手册-oSIP Development Manual

白板，通过SocketAPＩ实现网络画图．-whiteboard, Socket API network drawing.

Objective Systems Open H.323 for C (ooh323c) is a simple H.323 protocol stack developed in C. The ASN.1 PER messaging code was developed using the ASN1C compiler using a modified version of our core run-time libraries. Additional open source components as well as code developed in-house were added to produce a functioning stack.

VOIP(H323)源码，实现了G723.1 G729 G728 G711等音频算法，可以和NetMeeting互通-VoIP (H323) source, Implementation of G723.1 G729 G728 G711 audio algorithms, etc., NetMeeting and can exchange

I write testap.exe to run test aodisanoiiiiic    kiiidke ksiuujdmn jason test text

h323的视频传输-h323 video transmission

SIP协议栈开发（minisip）