VIS H.323的LIB库OCX版本最新代码和例子程序，视频编解码部分做了很大的优化，不过需要获取鉴权码才能去掉3分钟通话限制，不过还是很有参考价值-VIS H.323 LIB library OCX latest version of code and example programs, video codec part done a lot of optimization, but it needs access authentication code can be removed res

vc网络视频电话系统,经过测试，稳定性有时会有问题，但通话质量相当好，而且可用于无线网络，欢迎大家测试！-vc network video phone system, tested, stability sometimes, but the call quality is very good, but can be used for wireless network, we welcome testing.

This a tapi3 application where we can call pc through lan. not only call but video chat on ip addre-This is a tapi3 application where we can call pc through lan. not only call but video chat on ip address

A general billing method of NGN is analyzed and presented on the basis of comprehensively considering business type (data, voice, video, etc.), call type (local, district, longdistance, etc.),