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。...

一个用java实现的局域网语音聊天系统，包括服务器端和客户端，可以实现文字聊天，语音聊天，文件传输等功能，并实现了密码验证。-used to achieve a LAN voice chat system, including the server and client, can achieve a text chat, voice chat, file transfer and other functions, and to achieve a password verification.

this sip voip source code too. i dont know why it does not work. please check and then send back to me. thanks -this is sip voip source code too. i dont know why it does not work. please check and then send back to me. thanks

开放的IVR系统平台，可以直接基于DIALOGIC卡上使用-open IVR platform can be directly based on the use of cards DIALOGIC

voip技术现在已成为国内外的热点话题，实时语音通信对于我们来说是很重要的。voip技术的应用当然也不在话下。 -voip technology has become a hot topic at home and abroad, real-time voice communication for us is very important. Voip technology applications course presentations.

VIS H.323 Library ActiveX version 2.3 正式版-VIS ActiveX version H.323 Library version 2.3

视频会议系统,在VC环境下编译通过,大家可下载下来-Video conferencing systems, in VC environment compiled through, everyone can be downloaded

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.

该程序可以用于两个人在LAN/Intranet(或者Internet)上进行视频会议。现在有许多视频会议程序，每个都有各自的性能提升技术。主要的问题是视频会议视频帧的尺寸对于传输来说太大。因此，性能依赖于对帧的编解码。 -the two procedures can be used in LAN/Intranet (or the Internet) for video conferencing. Now there are many video conference proceedings, each have their own performance enhancements. The main problem is video conferencing video frame size too large for transmission. Therefore, the performance depends on the right frame codec.

VoIP正在arapidly不断发展的技术，可以彻底改变可能的电信业。当wirelessdata网络实施，网络电话可能被证明是有助于收敛ofexisting固定和移动电话网络与快速增长的有线andwireless数据网络。服务的能力andQuality是两个需要无线VoIP的商业部署之前beresolved最重要的问题。本文开头的数据adetailed解释网络与问候网络建模与流量分布在一起。的VoIP，WLAN和VoIP在WLAN已经解释的优势，劣势和实施基于WLAN的VoIP的问题。不同的VoIP传输系统：RTP，RTSP，SIP和H323也进行了审查。一个8节点的移动电话系统hasbeen使用NS2和实验设计已经进行测量thesystem在提供服务的质量方面通过一系列的因素，包括多个节点，包大小和客流率。如延迟，吞吐量和packetlost参数已经测量通过WLAN来评估的VoIP的服务质量。基于一个NS2代码和differentparameters如延迟，吞吐量和数据包丢失的打印输出包括以supportthis论文。

MPEG4流媒体的视频传输和运程播放代码，VC平台-streaming MPEG4 video transmission and broadcast code leg, VC platform