展讯平台12x12及14x14 宋体字库文件

中文RFC文件，无需翻译，对学习很有帮助！

中文RFC文件，无需翻译，对学习很有帮助！

中文RFC文件，无需翻译，对学习很有帮助！

介绍opnet，里面的习题丰富，这是作者多年总结出来的结果。-Introduction opnet, which enrich the exercise, which is the author summed up the results of many years.

来自ftp地址的更新程序代码

软电话 从功能分为：服务器端和客户端 服务器：记录所有客户的信息，对客户的登陆、注销等请求进行响应 客户端：利用UDP协议与服务器和被叫或主叫客户端进行通讯 点对点通讯中的请求和响应消息是通过SIP协议来完成传输的，音频信息（压缩后）是同构RTP协议来完成传输的-Soft phone functionality is divided into: server-side and client-server: a record of all customer information, customer landing, write-offs, such as in response to client requests: the use of UDP protocol with the server and the called or caller client communication point of point communication in the request and response messages through the SIP protocol to complete the transmission, audio information (compressed) is isomorphic RTP protocol to complete the transmission

数字滤波器的C语言实现，包括高通、低通、带通滤波器-Digital Filter C language, including high- and low-pass, band-pass filter

新泰IVR平台的网关接口程序，适合做电信方面的人员使用-XINTAI IVR system gateway interface program, it is useful for the person on telecommunication.

这是前段时间为多普达U1000手机做的一个蓝牙串口通信软件,实现通过多普达U1000手机控制外部设备的功能,软件运行于wince系统,使用vs2005开发,

mscommdemo:串口通信的小程序，很好的的帮助例子，使用的的是mscomm控件。-mscommdemo: serial communication of small procedures, the help of very good example is the use of MSComm control.