Hi
You should compare this line in your configuration file.
if (nat_uac_test("*18*")) {
It may be using different parameters.
*Regards,*
Amit
On 11/18/2014 5:23 PM, Igor Potjevlesch wrote:
Hello,
I can reproduce the issue on a pre-production system.
So, I downgraded to 4.1.5.
Here is the difference:
The INVITE comes into NATDETECT:
route[NATDETECT] {
xlog("ENTERING NATDETECT routes\n");
#!ifdef WITH_NAT
force_rport();
if (nat_uac_test("18")) {
if (is_method("REGISTER")) {
fix_nated_register();
} else {
add_contact_alias();
}
setflag(FLT_NATS);
xlog("NAT_UAC_TEST OK\n");
}
#!endif
return;
}
With Kamailio 4.2.0, the NAT_UAC_TEST returns true whereas with 4.1.5
returns false.
I also look at the "force_rport". I'm not sure if it's related, but
with 4.2.0, the Via looks like:
Via: SIP/2.0/UDP
PST_GW:5060;received=PST_GW;rport=5060;branch=z9hG4bK-34d5-1416308856-4847-441\r\n
In 4.1.5:
Via: SIP/2.0/UDP
PST_GW:5060;rport=5060;branch=z9hG4bK-2e3d-1416311184-4886-146\r\n
The received parameters is not added. Note that PSTN_GW refers to a
public IP address (out of RFC1918 and Carrier Grade NAT).
Regards,
Igor.
*De :*Igor Potjevlesch [mailto:igor.potjevle...@gmail.com]
*Envoyé :* mardi 18 novembre 2014 11:43
*À :* sr-users@lists.sip-router.org
*Objet :* Issue with 4.2.0 and nathelper and/or rtpproxy
Hello,
Since I done the upgrade of Kamailio into 4.2.0, there are, at least,
one new case where the RTPProxy is launched.
When I got an INVITE from my PSTN Gateway, for unknown reason (and not
for all calls), Record-Route is append with nat=yes. I looked into an
old trace and this behaviour didn't exist.
What could have changed that can explain this?
Regards,
Igor.
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