Error 0x80040036

Value: -2147221450 | 0x80040036 | 2147745846

What does it mean ?

TAPI_E_DESTUNAVAIL  
The called number could not be reached
Value: 54 | 0x0036 | 0b0000000000110110
IO_DRIVER_CANCEL_TIMEOUT  
An Io Request to the device %1 did not complete or canceled within the specific timeout. This can occur if the device driver does not set a cancel routine for a given IO request packet.
Value: 54 | 0x0036 | 0b0000000000110110

Where does it come from ?

FACILITY_ITF  
COM/OLE Interface management. FACILITY_ITF is designated for user-defined error codes returned from interface methods
Value: 4 | 0x004 | 0b00000100

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