mc55上关于GPRS连接和测试的文本，使用AT命令实现测试

XMODEM/YMODEM PROTOCOL REFERENCE

WINDOWS mscomm modem 编程-WINDOWS mscomm modem Programming

这个是TR800 GPRS模块的有关详细资料。里面有用户手册，AT指令。有关与TR800的都有了。-This is the TR800 GPRS module details. There are user manuals, AT commands. With the TR800 have.

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.

UART device driver for PC-to-PC communication using Null Modem Cable

华为的GSM模块EM310,AT指令集和编写的例子-Huawei" s GSM module EM310, AT instruction set and the preparation of examples of

cSharp使用线程下载支持pda项目 cSharp使用线程下载支持pda项目-support the use of thread c# download pda project c# support the use of threads to download pda project

用MODEM拨号程序-using dial-up procedures MODEM

Author: wei liu Summary: simulation of binary and non-binary bch decoder MATLAB Release: R14SP1 Required Products: Communications Toolbox Description: simulation of binary bch decoding algorithm for bch(n, k) with t bits error correction capability.

Make and answer phone calls Detect tone and pulse digit from the phone line Capture Caller ID Support blind transfer, single-step transfer/conference, consultation transfer/conference, hold, unhold. Control of the local phone handset, microphone and speaker of the modem Send and receive faxes Play and record on the phone line or sound card Play music in background mode Silence detection VU Meter Wave sound editor that allows your end-users to edit their own sound files. Voice recognition and voice synthesis. Full control over the serial port device ZModem file transfer utility File compression and encryption utility