试题库是学生做题目的必要试题-questions for students to do is issue the necessary papers, 2.

基于H323的VOIP网络电话,需要预先安装H323标准库和PTLIB库函数才可以运行,运行在WINDOWS下 -Based on the VOIP Internet phone H323, H323 requires pre-installed standard libraries and PTLIB library functions to run, run under WINDOWS

通过调用第三方库（lib、dll、.h）文件，封装为ocx控件，该工程主要实现了视频监控中得多屏显示,开发环境VS2010-By calling third-party libraries (lib, dll,. H) file, packaged as ocx control, which works mainly achieved much screen display video surveillance, development environment VS2010