How to intercept a phone number on Windows Mobile

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This feature is a pity for me.

Several key points: 1) lineinitialize; 2) lineopen; 3) Implement callback in step 2 to determine the value of dwmsg. When it is line_callinfo, you can get the incoming call number, and then you can start hanging up or other operations. However, when you get the phone number, the phone has been ringing for more than two seconds. Some people also say that the mobile number can be obtained when line_callstate is used, while the telecom number can be obtained only when line_callinfo is used. Note: line_callstate is obtained before line_callinfo.

If you want to get the phone number before the bell rings, TAPI may be awkward. You need to use a more underlying ril api.