voip实现语音通话的例子，推荐大家下载！

一个简易的sip软电话客户端源代码,包内含有原作者的说明文档,供大家学习参考-These are the resource codes of a simple sip program.In the package, there is a readme written by the authors.

ViedeoComm 视频通信通信控件V3.0。VideoComm视频通信控件，集成高性压缩算法，实时传输协议，支持一对一(点对点)，一对多（广播式）等方式的的实时视频通信，视频画面清晰流畅！使用简单方便！ VideoComm视频通信控件适用于VC＋＋、VB、dot Net平台、C++Builder、Delphi、易语言、网页应用程序等各种常见的开发平台。-Video Communication ViedeoComm communication control V3.0. VideoComm Video Communication control, integrated high-compression algorithm, real-time transport protocol to support one-on-one (point-to-point), one-to-many (broadcast) and other forms of real-time video communications, video, smooth and clear picture quality! The use of simple and convenient! VideoComm Video Communication control for VC , VB, dot Net platform, C++ Builder, Delphi, easy language, web applications and other common development platform.

一个功能全面的基于H323（视频会议系统协议）的网守-a fully functional based on H323 (Video Conference System agreement) Gatekeeper

关于IP电话的文章-The article on the IP phone

UPnP DeviceArchitecture v1.0 Specification to build UPnP compatible devices and control points.

RealNetworks公司的HELIX的audio.部分-RealNetworks, the company verified our audio. Some

一宽用RTC和VC++.NET2003开发的网络电话,简单好用,是公司的商业代码-with a wide RTC and VC.NET2003 development of the telephone network, the simple ease of use is the company"s commercial code

基于H323标准的OPENSOURCE，是一个实现了基础协议栈的D- Based on H323 standard OPENSOURCE, was has realized foundation agreement stack D

2.0说明 1.0支持系统的录音多种格式,有一定的延时,没有过滤杂音功能. 2.0已取消支持系统的录音多种格式,使用PCM采集数据G711A压缩格式(8000HZ单声道16位格式录音每秒以8K完成数据,16000HZ单声道16位格式录音每秒以11K完成数据,音质相当好),延时降低到最小100-500MS以内,不会随时间增加而增加延时(如果是说话测试一直保持200MS的延时,如果是用播放歌曲来测试,有自动校正延时功能,恢复成200MS的延时,恢复过程中不会中断歌曲的播放,只是小小加快唱歌的速度,听觉不会觉察出来),加入了过滤杂音功能. 2.0安装 将ACMG711.dll复制到系统文件夹里 再安装控件 -2.0 1.0 Note recording system to support multiple formats, a certain delay, no noise filtering function. 2.0 support system has been abolished recording formats, the use of PCM data acquisition G711A compression format (8000HZ 16 mono recording format to 8K per second complete data 16000HZ mono recording format 16 to 11K per second complete data quality is very good), Delay reduced to the minimum 100-500MS within not with time delay increases (if word has been tested 200MS delay, If it is used to test play the songs, the automatic correction function of delay, 200MS resume into the delay, the recovery process will not be interrupted play songs, singing just a small speed up

这是h.323呼叫应答代码-This is the H.323 call response code