Error 0x80071B63

Value: -2147017885 | 0x80071B63 | 2147949411

What does it mean ?

ERROR_CTX_MODEM_RESPONSE_ERROR  
The modem did not accept the command sent to it. Verify that the configured modem name matches the attached modem.
Value: 7011 | 0x1B63 | 0b0001101101100011

Where does it come from ?

FACILITY_WIN32  
Provides a way to handle error codes from functions in the Win32 API as an HRESULT. (Error codes in 16 - bit OLE that duplicated Win32 error codes have also been changed to FACILITY_WIN32)
Value: 7 | 0x007 | 0b00000111

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