这是一个利用at指令在vc++环境编写利用笔记本的com口控制modem拨打公用电话网电话的程序,程序调试可用。-This is a use at command in vc++ Environment prepared to use the notebook to control the com port PSTN modem dial telephone procedures can be used for program debugging.
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.