本源代码是一个使用WINDOWS API函数直接开发MODEM通讯程序源码, 已通过测试。-Source code is a direct development using WINDOWS API function MODEM communication program source code, has been tested.

短信modem测试源代码，用于串口测试，可在windows环境运行-SMS modem test source code for serial testing can be run in windows environment