oSIP Development Manual

SIP协议中穿越对称型/非对称型NAT防火墙的多种实现方法，解决私网内部的防火墙穿透问题。-SIP cross symmetric/asymmetric NAT firewall multiple solutions, private internal network firewall penetration.

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.

最新的jrtplib代码。可以使用开发流媒体的RTP协议。-latest jrtplib code. Development can use streaming media RTP.

第十章代码，基于ＶＩＳ　Ｈ．３２３　Ｄｌｌ　Ｌｉｂｒａｒｙ的视频会议系统-Chapter X code, based on the VIS H. 323 Dll Library of Video Conference System

主要通过对SIP协议的研究，根据这个协议的特点，设计出来一个基于SIP电话会议系统。用户可以通过WEB方式登录到预先建立好的会议室，进行电话会议。-primarily through the SIP, according to the characteristics of this agreement, designed a SIP-based telephone conferencing system. Web users can log on to advance ways to establish good meeting rooms, conference calling.

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.

h.323的c语言源码-h.323 c language source code

需要的可以看看 是学习的好资料！-can look at the need to learn the good information!

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

Portable Unix Libary