public TunnelConfig getTunnelConfig() {
   if (getLc().isTunnelAvailable()) {
     if (tunnelConfig == null) {
       TunnelConfig servers[] = getLc().tunnelGetServers();
       if (servers.length > 0) {
         tunnelConfig = servers[0];
       } else {
         tunnelConfig = new TunnelConfig();
         tunnelConfig.setDelay(500);
       }
     }
     return tunnelConfig;
   } else {
     return null;
   }
 }