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.
利用MSComm控件,通过串口发送AT指令操作Modem。在2台计算机之间进行数据传输。-use MSComm control, sent through serial AT command operation Modem. In between the two computers for data transmission.