未使用任何控件，自己控制串口，编写的单独类，可进行拨打电话，接听电话，接收来电号码等操作。是从一本书上复制下来的。
因为没使用任何的控件，所以不会因为控件漏洞的原因被系统阻止使用。
所有使用控件的通信程序，后来都不好用了，没办法只能使用这个方式。(Have not use any controls, control their own serial port, the preparation of a separate class, you can make calls, answer calls, receive call numbers and other operations. It was copied from a book.
Because no control is used, it will not be blocked by the system because of a control vulnerability.
All the communication programs that use controls are not available now. Using this method is the only way to　control modem.)