void tcpClientManagementDataServer_OnManagementAllowed(object sender, NET.Remoting.Channels.ManagementAllowedEventArgs e)
 {
     try
     {
         int  ext   = Convert.ToInt32(e.Extension);
         bool allow = false;
         WOSI.CallButler.Data.CallButlerDataset.ExtensionsRow row = dataProvider.GetExtensionNumber(Properties.Settings.Default.CustomerID, ext);
         if (row != null)
         {
             allow = row.EnableManagement;
         }
         e.ManagementAllowed = allow;
     }
     catch
     {
         e.ManagementAllowed = false;
     }
 }