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.
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.