晕，VoIP用来穿透NAT的一种方式，通过三个基本的NAT

这是一个呼叫中心的源码哦,具体内容大家可以-This is a call center source Oh, everybody can be the specific content of

voip实现的原代码的一个部分 sip协议的实现-voip realize the original code a part of the agreement realize sip

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

目前网络上面skype很流行,这是一篇详细的分析skype的文章,如果你想研究p2p的电话,那么值得一看-network above skype currently very popular, which is a detailed analysis of skype the article, if you want to research peer-to-peer phone, an eye-catcher

IP电话的VoIP设计资料. 请大家帮忙顶！-IP phones VoIP design information. Please help U.S. Top!

G.1070是IP电话应用情境下，音视频和多媒体质量评估的标准，利用它可以得到客观的质量函数-G.1070is a standard used for quality estimation

netmeeting控件原程序-netmeeting original control procedures

linphone是运行在linux下的一个不错的软电话，希望能给大家开发带来点帮助-Linphone is running on linux a good under the soft phone, hope that I can bring to help the U.S. to develop

Vovida出品的包括RTP、RTCP、SIP等各种基础协议栈和SIP UAC、UAS等功能的IP电话服务器端程序。编译环境为linux-Vovida produced in RTP, RTCP, and other SIP based protocol stack and SIP UAC and UAS capabilities of IP telephony server procedures. Linux compiler environment

SIP_ISUP，SIP ISUP互联互通协议部分，对于学习NGN软交换之间的协议流程很有帮助。-SIP_ISUP, SIP ISUP protocol interoperability of NGN Softswitch to study the agreement between the flow of great help.