[sr-dev] Problem with 503

[Salah Uddin Ahmed]

Hello,

When using DNS SRV records and 1st destination no response then it try to
2nd destination. If 2nd destination rejected the call with 486 then
kamailio(version: 4.1.1) forward this code as 503. In config we use
failure_route as,

if (t_check_status("408")) {

 t_reply("503","Service Unavailable");
                                                        }

Could anyone please explain this scenario? why this 486 translated to 503?

Thanks,
Salah
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