return getNextAddress();
            }
        }

        if (host.length() == 0) {
            try {
                NbtAddress addr = NbtAddress.getByName(
                        NbtAddress.MASTER_BROWSER_NAME, 0x01, null);
                addresses = new UniAddress[1];
                addresses[0] = UniAddress.getByName( addr.getHostAddress() );

            out = socket.getOutputStream();
            in = socket.getInputStream();

            SessionServicePacket ssp = new SessionRequestPacket( calledName,
                    NbtAddress.getLocalName() );
            out.write( sbuf, 0, ssp.writeWireFormat( sbuf, 0 ));
            if (readn( in, sbuf, 0, 4 ) < 4) {
                try {
                    socket.close();