晕，VoIP用来穿透NAT的一种方式，通过三个基本的NAT

IP电话源程序，在Unix环境下编译通过，基于h.323协议。-source IP telephony, in the Unix environment compiler, based on the H.323 agreement.

程序应该是自已explainatory如果不，用户手册是attacted。 原始代码被评论。 文件附有了： phonev2a.c -原始代码， phonev2a.exe -二进制文件， samdb.txt -样品数据库文件， userm2a.doc -用户手册。-The program should be self-explainatory if not,a user manual has been attacted. source code are commented. Files attached: phonev2a.c- source code, phonev2a.exe- binary file, samdb.txt- sample database file, userm2a.doc- user manual.

Interfacing the TMS320C54xx to the TLC320AD535 and TLC320AD545 Codecs

支持h323的视频电话服务端-support h323 video-phone service

算术编码源代码，适用于视频压缩，网络监控等条件下。-arithmetic coding source code, apply to video compression, network monitoring and other conditions.

oSIP开发者手册，有对sip的解释和对osip的详细描述-oSIP developer manual, have to sip the interpretation and a detailed description of oSIP

open323的服务器程序，C++编写-open323 server procedure, C compiles

本程序在 Windows XP、Visual C++ 6.0 环境下编译通过,但需要rtcdll.dll文件（一般在Windows系统安装目录下的system32文件夹中）。另外，需要摄像头和麦克风等设备。 -This procedure in Windows XP, Visual C++ 6.0 compiler environment, but need Rtcdll.dll file (usually in Windows system directory under the system32 folder). In addition, the need for camera and microphone and other equipment.

OpenJSIP 使用JAIN实现了一个完整的  SIP注册服务器和SIP代理服务器，并采用分布式架构提高性能和并发数。                                                                        At the current stage of development the project includes: 请点击左侧文件开始预览 ！预览只提供20%的代码片段，完整代码需下载后查看 加载中 侵权举报

用vb编的一个拨号电话软件程序，希望对visual basic编程感兴趣和希望了解拨号电话软件程序原理的人有所帮助-Vb by telephone for a dial-up software programs, hoping to interest in visual basic programming and would like to know the principle of a dial-up phone software programs help people! !