code: @Override
      protected FaxJobStatus getFaxJobStatusImpl(FaxJob faxJob)
      {
          //get fax job ID
          int faxJobIDInt=WindowsFaxClientSpiHelper.getFaxJobID(faxJob);
  
          //invoke fax action
          String faxJobStatusStr=this.winGetFaxJobStatus(this.faxServerName,faxJobIDInt);
  
          //get fax job status
          FaxJobStatus faxJobStatus=WindowsFaxClientSpiHelper.getFaxJobStatusFromWindowsFaxJobStatusString(faxJobStatusStr);
  
          return faxJobStatus;
      }
docs: This function returns the fax job status.<br>
  Not all SPIs support extraction of the fax job status.<br>
  In case the SPI is unable to extract or does not support extracting
  of the fax job status, it will return the UNKNOWN status.
  
  @param   faxJob
  The fax job object containing the needed information
  @return  The fax job status