/// <summary>
 /// List all call types separated by primary call type
 /// </summary>
 public void ListAllCallTypes()
 {
     try
     {
         using (_callLogModel = new CallLogModel())
         {
             _view.PrimaryCallTypeList = _callLogModel.ListAllPrimaryCallTypesForCallCriteria();
         }
     }
     catch (Exception ex)
     {
         Logger.Write(string.Format("An Error has occurred while trying to list Call Types.\n{0}\n{1}", ex.Message, ex.StackTrace));
         _view.DisplayMessage("An Internal Error has occurred while trying to list Call Types.", false);
     }
 }