详细介绍了Modem和PC机之间的通讯原理、方法，以及编程实例

自去收发传真程序，检查MODEM,自动设置，发送，接收。完全适用。-to send and receive faxes from the procedures, inspection MODEM, automatically set, sending, receiving. Fully applicable.

gprs协议栈代码.所谓协议栈就是对信息进行多次封装和解封的过程，以便能够在不同的实体间传送信息。本源代码来自Indian Institute of Technology-gprs protocol stack code. The so-called agreement is the right information Stack several Packaging, and the course was cleared, to the various entities to disseminate information. Source code from the Indian Institute of Technology

通过猫实现计算机之间的通信，它是属于串口通信的类型。-Implementation through the cats of the communications between computers, it is belong to the type of serial communication.

很不错的xml解析工具，有助你理解xml的用法-Very nice xml parsing tool, will help you understand the usage of xml

Ｖ21解调程序中关键部分-V21 demodulation process key part

用MODEM来发短信，包括PDU的算法，较为详细！-Sends the short message with MODEM, includes PDU the algorithm, is more detailed!

VB的MODEM通信源代码，包括MODEM初始化，自动检测电脑串口数量，MODEM参数设置等-VB source code for the MODEM communications, including MODEM initialization, the computer automatically detects the serial number, MODEM parameter setting, etc.

本程序需要调制解调器的支持，否则可能失败，需要调制解调器支持语音传输，本程序在子弹头调制解调器下调试通过，通话时通过麦克风和话筒来进行。-This procedure required the support of a modem, or may fail to support the required voice modem, the program under the debug modem bullet passed through a microphone and call for the microphone.

汇总了多种设备的AT指令。包括：PDA，GPRS，Fax等。-Summarizes the AT commands to various pieces of equipment. Including: PDA, GPRS, Fax and so on.

支持X/Y/Z Modem协议的传输文件的通讯程序 -Commnication libraray supports XMODEM,YMODEM,FAX protocol