Hi Alex, tried that, remove_hf doesn't produce desired result because the received request has no Record-Route header.

Cheers,

On Sun, Apr 28, 2019 at 1:32 AM Alex Balashov <abalashov@evaristesys.com> wrote:

What if you do:

remove_hf(“Record-Route”);

?

—

Sent from mobile, with due apologies for brevity and errors.

On Apr 27, 2019, at 7:00 PM, Sergiu Pojoga <pojogas@gmail.com> wrote:

Hi ppl,

After a branch route fails, I need to re-evaluate the next destination and adjust RR parameters, if need be, like for example adjust the nat=yes|priv.

failure_route[MANAGE_PSTN_FAILURE] {

...

remove_record_route();

record_route();

route(NATMANAGE);

...

route(RELAY);

}

The result is that the new branch is stripped of "Record-Route: <sip:MYIP>", but the params remained. Moreover, record_route hasn't been re-added as instructed in the failure route.

Request headers of the initial branch that will eventually timeout and fail:

2019/04/27 18:29:18.034992 10.22.0.1:5060 -> 10.22.0.100:5060                                                                                                                                                                                                                 

INVITE sip:1514XXXXXXX@10.22.0.100 SIP/2.0                                                                                                                                                                                                                                      

Record-Route: <sip:10.22.0.1;r2=on;lr=on;did=9e2.3dd2;nat=priv>

Record-Route: <sip:65.XX.XX.1;r2=on;lr=on;did=9e2.3dd2;nat=priv>

New request branch after failure:

2019/04/27 18:29:19.538292 65.XX.XXX.1:5060 -> 65.XX.XX.2:5060

INVITE sip:1514XXXXXXX@65.XX.XX.2 SIP/2.0

;lr=on;did=9e2.3dd2;nat=priv>

kamailio -v

version: kamailio 5.1.6 (x86_64/linux) 7d1964

Much obliged.

--Sergiu

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