[SR-Users] LCR, problem with routing (prefix, from_uri, grp_id)

[Maciej Bylica]

Hi ALL,

I have a problem to configure LCR module to work properly (kamailio rel. 1.5)
The task in my case is to handle:
1) All calls coming with CLD number prefix 482223344 from my MGW
(77.77.77.77) towards kamilio and direct them to sip world
(88.88.88.88)
2) Calls with CLD starting with 48 coming from SIP world towards
kamailio and direct them to my MGWs. Additionaly i need to route it on
the basis of CLI number.
So MGWs  <---> Kamailio <---> SIPProxies (88.88.88.88)

In db:
+----+-----------+----------------+--------+----------+
| id | prefix    | from_uri       | grp_id | priority |
+----+-----------+----------------+--------+----------+
|  1 | 48        | 48             |      1 |        1 |
|  2 | 48        | 49             |      2 |        1 |
|  3 | 482223344 | 77.77.77.77 |      3 |        1 |
+----+-----------+----------------+--------+----------+

gw,
+----+--------------+--------+----------------+----------+------+------------+-----------+-------+------+--------+------+-------+
| id | gw_name      | grp_id | ip_addr        | hostname | port |
uri_scheme | transport | strip | tag  | weight | ping | flags |
+----+--------------+--------+----------------+----------+------+------------+-----------+-------+------+--------+------+-------+
|  1 | CLI48   |      1 | 77.77.77.70 | NULL     | 5060 |       NULL |
     NULL |  NULL | NULL |    150 |    0 |     0 |
|  2 | CLI48backup   |      1 | 77.77.77.71 | NULL     | 5060 |
NULL |      NULL |  NULL | NULL |    150 |    0 |     0 |
|  3 | CLI49  |      2 | 77.77.77.75 | NULL     | 5060 |       NULL |
    NULL |  NULL | NULL |     15 |    0 |     0 |
|  4 | CLI49backup  |      2 | 77.77.77.76 | NULL     | 5060 |
NULL |      NULL |  NULL | NULL |     15 |    0 |     0 |
|  5 | SIPWORLD      |      3 | 88.88.88.88  | NULL     | 5060 |
NULL |      NULL |  NULL | NULL |    250 |    0 |     0 |
+----+--------------+--------+----------------+----------+------+------------+-----------+-------+------+--------+------+-------+

Unfortunately:
- call is originated on 77.77.77.77 with CLD 48222334455 number and
kamailio forward this call to grp_id=3 SIPWORLD which is okay. The
problem is that if the call fail, kamailio will try to use 77.77.77.70
and 77.77.77.71 from grp_id=1 which is wrong. I have no idea how to
provide a kind of huntstop in grp_id=3.

I've been trying with
+----+-----------+----------------+--------+----------+
| id | prefix    | from_uri       | grp_id | priority |
+----+-----------+----------------+--------+----------+
|  1 | 48        | 88.88.88.88  |      1 |        1 |
|  2 | 48        | 88.88.88.88  |      2 |        1 |
|  3 | 482223344 | 77.77.77.77 |      3 |        1 |
+----+-----------+----------------+--------+----------+
but in this case i am unable to provide kamailio with CLI number routing.


Here is a part of my config file...

                if (!load_gws()) {
                                sl_send_reply("503", "Unable to load gateways");
                                exit;
                                 }
                if (!next_gw()) {
                                sl_send_reply("503", "Unable to find a
gateway");
                                exit;
                                }
                route(1);
                exit;

and failover for route(1)...

failure_route[11] {
        # In case of failure, send it to an alternative route:
        if (t_check_status("408|404|5[0-9][0-9]")) {
        if (!next_gw()) {
                        t_reply("503", "Service not available, no more
gateways");
                        exit;
                        }
        else    {
                t_on_failure("11");
                t_relay();
                }
        exit;
                                                   }
}



Anybody could help my to get out of that?

Thx,
Maciej.