此源码是基于Visuall C++环境，232串口通信源码，用于cdma模块串口通信，通过发送at指令，可以发送短信。-This source is based on the Visuall C++ environment, source code 232 serial communications, serial communication module for cdma, by sending at commands, you can send text messages.

本代码采用中国电信规定的标准AT指令，是CDMA网络制式下，在中兴工业猫MC8630下调试通过，本代码适合初学cdma下at指令的朋友，代码简单易懂，使用vc2008环境和vs2010环境均可。-China Telecom, the provisions of the code using standard AT commands, is a CDMA network standard, the resurgence of industrial cat MC8630 through debugg