code: protected ProcessOutput executeProcess(String command,FaxActionType faxActionType)
      {
          //execute process
          ProcessOutput processOutput=ProcessExecutorHelper.executeProcess(this,command);
  
          //validate process output
          this.processOutputValidator.validateProcessOutput(this,processOutput,faxActionType);
          
          return processOutput;
      }
docs: This function executes the external command to send the fax.
  
  @param   command
  The command to execute
  @param   faxActionType
  The fax action type
  @return  The process output