[OpenSIPS-Users] ACK Routing Issue

Mark Farmer farmorg at gmail.com
Fri Jun 5 11:29:31 EST 2020

Hi everyone

I've upgraded an OpenSIPS box to 3.1 and am now seeing an issue with ACK's
trying to route to an incorrect IP - in this case our own advertised IP.

I think I'm right in saying that PRACK's & ACK's are treated equally and
should route in the same manner? However, PRACK's are routing correctly.

I have this:

if (has_totag()) {

                # handle hop-by-hop ACK (no routing required)
                #if ( is_method("ACK") && t_check_trans() ) {
                if (is_method("ACK")) {

Thanks for any ideas!
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