This is my lcr_gw table:
MariaDB [kamailio]> select * from lcr_gw;
+----+--------+----------+----------------+----------+------+--------+------------+-----------+-------+--------+------+-------+---------+--------+-----------+-------------+------------+--------------+
| id | lcr_id | gw_name | ip_addr | hostname | port | params | uri_scheme | transport | strip | prefix | tag | flags | defunct | status | createdBy | createdDate | modifiedBy | modifiedDate |
+----+--------+----------+----------------+----------+------+--------+------------+-----------+-------+--------+------+-------+---------+--------+-----------+-------------+------------+--------------+
| 1 | 1 | Carrier1 | 1.2.3.4 | NULL | 5060 | NULL | 1 | 1 | 0 | NULL | NULL | 1 | NULL | 1 | NULL | NULL | NULL | NULL |
| 3 | 2 | Carrier2 | 4.3.2.1 | NULL | 5060 | NULL | 1 | 1 | 0 | NULL | NULL | 1 | NULL | 0 | NULL | NULL | NULL | NULL |
+----+--------+----------+----------------+----------+------+--------+------------+-----------+-------+--------+------+-------+---------+--------+-----------+-------------+------------+--------------+