UDP穿透程序，对于搞音视频会议类软件的网友可以参考参考学习...

包括 IP电话，视频监控，视频会议，mp3解码-VC++ Develop

基于Internet 的视频会议系统，视频采用Xvid压缩、语音采用Gsm6.10-Internet-based video conferencing systems, used Xvid video compression, voice used Gsm6.10

第八章代码，基于实时通信（ＲＴＣ）ＡＰＩ的视频会议系统- Chapter VIII of the code, based on real-time communication (RTC) API of the video conference system

a SIP proxy server and service provider

主要做地球物理反演，应用郭涛算法反演频谱激电参数-Geophysical inversion mainly, the application spectrum Guo Tao IP inversion algorithm parameters

基于h323的网守管理程序，可以与现在流行的基于H323的VOIP系统很好的结合起来应用，-based on the Gatekeeper management procedures, and based on the now popular H323 VOIP systems combine good applications,

IP电话的TCP,IP实现方法.pdf-TCP IP telephony, IP method. Pdf

应用背景This section shows and describes a call flow for a successful call using the Cisco ATA and MGCP. Note :The term Cisco ATA refers to both the Cisco ATA 186 and the Cisco ATA 188, unless otherwise stated. 关键技术Figure C-1 on page C-2 illustrates a basic call flow between two Cisco ATAs through a VocalData Call Agent. Table C-1 on page C-3 describes the action the Cisco ATA takes for each step in the call flow illustration and includes the log created by each step.

版本V4.1.1,Linux上的开放源代码的IP电话软件SIP协议，主要用于语音通话，但它也支持发送文本的即时消息，即可以像ICQ那样地用文字聊天。 如果网络带宽足够的话，它还支持可视电话 Kphone是GPL的开放源代码的软件。-version 4.1.1, It is IP phone software of Linux open source code based on SIP protocol, it can be used to voice communication, and surpport text IM, same function as ICQ used to text chat. In broad band circumstance, it surpport video conference. Kphone is GPL open source software .

电子白板实现，java实现，欢迎指正，-Whiteboard realize, java realize, please correct me,