/// <summary>
 /// List all Active Call Types
 /// </summary>
 public void ListCallTypes()
 {
     try
     {
         using (_callLogModel = new CallLogModel())
         {
             _view.CallTypeList = _callLogModel.ListCallTypeFilteredByDescription(_view.PrefixText);
         }
     }
     catch (Exception ex)
     {
         Logger.Write(string.Format("An Error has ocurred while trying to load the Call Type Information!\n{0}\n{1}", ex.Message, ex.StackTrace));
     }
 }