H.323 2000年规范的文档，是H.323 V4的标准，这是目前最通用的版本，是学习开发H.323的必备材料。...

vblast的最小均方误差检测判决子程序-vblast minimum mean square error detection judgments subroutine

又一个利用网上寻呼提供商的web页面来发送网上寻呼的程序，可以支持很多提供商。-Another program which uses web pages of internet call provider to send internet calling , and supports many providers

On the splitting method for VQ codebook generation

演示使用tapi通过语音modem进行拨号并播放和录制wav文件的例子-Examples that demonstrate how to use tapi to dial by voice modem and play and record wav files

操作系统有所耳闻，它是微软已推出的三种操作系统内核之一，是一种实时操作系统。虽然它是一种实时操作系统，但是从96年发布v1.0到现在，它的主要用途都在民用领域，比如Pocket PC、SmartPhone、Automation。不像VxWorks，应用于航空航天、军事等领域。现在linux、VxWorks厂商也都看好嵌入式民用市场，激烈竞争在所难免。我看好Windows CE，因为微软在PC领域实在太强，用户也早已熟悉了微软的产品，把PC下的技术移植到嵌入式领域，首先在操作界面方面就占了上风。 -operating systems have heard, it is Microsoft has launched three of the operating system kernel, is a real-time operating system. Although it is a real-time operating system, but from the 96 released v1.0 now, which are mainly used in civilian areas, such as Pocket PC, SmartPhone, Automation. Like VxWorks, used in aerospace, military and other fields. Now Linux, VxWorks manufacturers are optimistic about embedded civilian market, fierce competition is inevitable. I like Windows CE, Microsoft in the PC field is too strong, users are already familiar with Microsoft products, the PC technology into the embedded field in the first operation on the interface prevailed.

利用vc设计实现一个基于位置信息的通信软件系统，其中使用MapX组件实现地图的载入，利用串口通信获取位置信息，利用socket技术实现通信；能够获取指定位置附近的出租车，从中选取出最近的出租车，并通知出租车当前位置，实现文字和语音的调度功能.

一份详细的SIP协议的数据流分析的文档，该文档有两百多页，包含的SIP消息的各种情况，内容实用，可供SIP协议的VoIP开发者做一份详细的SIP数据流的分析手册。-a detailed SIP protocol data flow analysis of the document, the document is over 200 pages and contains information of the various SIP, as practical, the SIP for VoIP developers to do a detailed SIP data flow analysis handbook.

这是一个PCM课程设计的源程序代码，包括调试出来的图形 -description OF PCM

Graphics programm for datalogger. Eight channell for view binary data.

基于PSoC的2.4G无线通信，可以实现一对多无线通信，或者多对以无线通信。实例中使用了一对一无线通信。可以通过修改通道编号（0到5通道）来选择数据发送接收通道。修改无线通信地址即可实现多对一或者一对多通信。