[OpenSIPS-Users] OpenSips Reply logged 4 times and not sent back to originator

[Bogdan-Andrei Iancu]

Hi,

It is hard to say without a pcap - try to make a call capturing on the 
LB server, showing both in and out SIP packets.

Regards,

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

On 10.07.2016 11:43, Chandan PR wrote:
> Hi Guys,
>
> Our Load Balancer configuration is as below:
>
> route{
> if (!mf_process_maxfwd_header("3")) {
> send_reply("483","looping");
> exit;
> }
>
>
> if ( has_totag() ) {
> # sequential request -> obey Route indication
> loose_route();
>                 t_relay();
>                 exit;
>         }
>
>         # handle cancel and re-transmissions
> if ( is_method("CANCEL") ) {
> if ( t_check_trans() )
> t_relay();
> exit;
> }
>
>
>         # from now on we have only the initial requests
>         if (!is_method("INVITE")) {
>                 send_reply("405","Method Not Allowed");
>                 exit;
>         }
>
>         # initial request
> record_route();
> # LB function returns negative if no suitable destination (for 
> requested resources) is found,
>         # or if all destinations are full
>         if ( !load_balance("1","channel") ) {
>              send_reply("500","Service full");
>              exit;
>         }
> t_on_reply("test");
>         # arm a failure route for be able to catch a failure event and 
> to do
>         # failover to the next available destination
>         t_on_failure("LB_failed");
>
>         # send it out
> if (!t_relay()) {
> sl_reply_error();
> }
>
> }
>
> onreply_route[test] {
> xlog("Reply $rs received from $si for the call $avp(iurl)");
> }
>
> In the opensips.log file, for some of the calls I see the reply 200 
> logged 4 times. And whenever that happens, the same is not sent back 
> to the originator of the call.
>
> At the end of the day some calls are ending up in ambiguous result 
> codes as they don't receive 200 OK. And all the calls in this 
> category, we see the reply 200 logged 4 times in the log.
>
> Any clue on what could be the issue?
>
>
> Regards,
> Chandan
>
>
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