Hi Jim,

Better make a prefixless rule with gwlist pointing to the 2 carriers, like "#carrier1,#carrier2"....and simply do do_routing() + failure route on "next_gw".

In this way, the do_routing() will assemble from the beginning a list with the gws from both carriers, and there is no need to manually aggregate them.

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 23.02.2016 00:27, Jim DeVito wrote:
Hi All! Question. What I have for testing is below. It works and cycles through the gateways for carrier 1. What I can not seem to do right is AFTER all the GW's for carrier 1 are exhausted I would like try carrier 2 (provided a second valid carrier is returned) do_routing does this good for me but I want to handle cost based authorization "off-server" so I will end up returning to opensips with a variable containing a list of valid carriers for that call.

if (route_to_carrier(#carrier1))
{
    t_on_failure("next_gw");
    t_relay();
}

if (route_to_carrier(#carrier2))
{
    t_on_failure("next_gw");
    t_relay();
        exit;

}



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