[OpenSIPS-Users] Drouting failover by carrier only

[Alex A]

Hi Bogdan,

Will "use only the first gateway from the carrier"  allow for round-robin for the regular calls (ie. does it choose the first gw randomly ) ? 

Thank you.

Alex

---- On Thu, 30 Apr 2020 03:40:21 -0400 Bogdan-Andrei Iancu <mailto:bogdan at opensips.org> wrote ----


Hi Alex,
 
 Have you tried the "use only the first GW" flag in the carrier
      definition? See https://opensips.org/html/docs/modules/3.0.x/drouting.html#idp25339408,
      "Carriers" subsection:
 
 flags : 0x1 - use weight for sorting the list and not
      definition order; 0x2 - use only the first gateway from the
      carrier (depending on the sorting); 0x4 - disable the usage of
      this carrier
 
 Regards,
 Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
  https://www.opensips-solutions.com



On 4/29/20 9:38 PM, Alex A wrote:





Hi Everyone,



Is it possible to failover to next carrier (instead next
          gateway) while using drouting? 





I got the below to work; however currently, use_next_gw
          gets the next gateway in the list, so 

if gwlist= #0,#3  



and one of the carriers has multiple gateway IPs, the retry
          happens many times to the same carrier: 





route[droute] {



        xlog("DRoute GATEWAY: source:$si - $fU ->
            $rU\n");

        if (!do_routing(0,"F")) {

                xlog("DRoute GATEWAY: Failed. source:$si
            -$fU -> $rU\n");

                send_reply(500, "No Gateway to Route
            found");

                exit;

        }

        route(relay);

        exit;



        }




route[relay] {



        if (is_method("INVITE")) {

                t_on_failure("missed_call");

        }



        if (!t_relay()) {

                if (use_next_gw()) {

                      xlog("L_INFO","Next Gateway:
          From=$fu, To=$tu,RU=$ru, CI=$ci IP=$si\n");

                      t_on_failure("missed_call");

                      route(relay);

                      exit;

                }

                else {

                        send_reply(503, "Service not
          available, no more gws");

                        exit;

                }

        };

        exit;

}





failure_route[missed_call] {



                #if (use_next_gw(, , $var(carrier_attrs)))
          {

                if (use_next_gw(,
          $avp(gw_id),$avp(carrier_id))) {

                      xlog("MissedCall--Next Gateway:
          From=$fu, To=$tu,RU=$ru, CI=$ci IP=$si\n");

                      xlog("Carrier attributes of current
          gateway: $avp(gw_id). carrier: $avp(carrier_id)\n");



                      t_on_failure("missed_call");

                      route(relay);

                      exit;

                }

                else {

                        send_reply(503, "Service not
          available, no more gws");

                        exit;

                }









Thank you.










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