MRCP协议V1和V2版实现源代码，这是做TTS和ASR的朋友的好东东。

视频会议系统,进行网络视频会议的源代码，应该很详细了，数据源可能得进行改动一下-video conferencing systems, video conferencing network for the source code should be very detailed, data source may need to engage you change

JSIP chat

MPVC VC下写的RTC程序 可以进行语音和视频-MPVC VC under the RTC program can be written for voice and video

基于QTopia的SIP IP电话源码，在LInux下编译，支持DTMF,G711,GSM-Based on the SIP IP phone qtopia source, in the compiler under LInux to support DTMF, G711, GSM

h323 gatekeep for test.

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 telephony asterisk chinese doc

一个非常不错的点对点视频会议系统的简单实现，界面简洁，但基本功能都有了。-A very good point-to-point video conferencing system to achieve a simple, clean interface, but the basic functions of everything.

H.225 video-telephone protocol,specification document,for reference only

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.