} else if (setClientDHParamsAnswer.instanceOf('mtproto.type.Dh_gen_retry')) {
                    logger.warn('\'Dh_gen_retry\' received from Telegram!');
                    callback(createError(JSON.stringify(setClientDHParamsAnswer), 'EDHPARAMRETRY'));
                } else if (setClientDHParamsAnswer.instanceOf('mtproto.type.Dh_gen_fail')) {
                    logger.warn('\'Dh_gen_fail\' received from Telegram!');