Error 0x80040022

Value: -2147221470 | 0x80040022 | 2147745826

What does it mean ?

TAPI_E_NOREQUEST  
No Assisted Telephony requests are pending.
Value: 34 | 0x0022 | 0b0000000000100010
IO_WRITE_CACHE_DISABLED  
The driver disabled the write cache on device %1.
Value: 34 | 0x0022 | 0b0000000000100010

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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