code: @Override
      protected void cancelFaxJobImpl(FaxJob faxJob)
      {
          //get fax job ID
          int faxJobIDInt=WindowsFaxClientSpiHelper.getFaxJobID(faxJob);
  
          //invoke fax action
          this.winCancelFaxJob(this.faxServerName,faxJobIDInt);
      }
docs: This function will cancel an existing fax job.
  
  @param   faxJob
  The fax job object containing the needed information