Hi Sreeram,
Unfortunately the ladder diagram is not enough as I cannot set the
details of all the messages :(. The it looks, the 200 OK coming from
110.46.1.106:5060 may contain bogus routing information (the dialog
route set), like a wrong Contact hdr point to that EXTERNAL_IP....
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
https://www.opensips-solutions.com
https://www.siphub.com
On 11/21/23 12:13 PM, Sreeram Narayanan wrote:
Hi,
Thanks for your response.
I've added the network trace here <https://pastebin.com/raw/Lxi0SRZ4>.
I've masked some of the IPs for security.
This <https://pastebin.com/raw/rCLdemG4> is what the ACK looks like
from the OpenSIPs server. Please let me know if I need to share more
information.
On Wed, Nov 15, 2023 at 5:05 PM Bogdan-Andrei Iancu
<[email protected] <mailto:[email protected]>> wrote:
Hi,
Ideally you should provide a network capture (pcap) from the
OpenSIPS server, covering both incoming and outgoing traffic -
this is the only way to understand what is wrong with the call.
As attachments are limited to 40K here, consider using some
pastebin or other file sharing service.
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
https://www.opensips-solutions.com <https://www.opensips-solutions.com>
https://www.siphub.com <https://www.siphub.com>
On 11/13/23 1:26 PM, Sreeram Narayanan via Users wrote:
Hello,
I am trying to use OpenSIPs with the load_balancer module to
balance inbound calls between 2 Asterisk servers. The setup sits
behind a NAT. The OpenSIPs server has a public IP and a private
IP. When an INVITE arrives, it can forward it to one of the
Asterisk servers and Asterisk responds with a 200 OK. The problem
starts when I receive the ACK (from Twilio). The ACK starts
bouncing between the public IP and Private IP of the OpenSIPs
server. It doesn't reach the Asterisk server and eventually times
out. I hope someone can help me with this. Thanks in advance.
Here is my configuration:
####### Routing Logic ########
route {
if (is_method("INVITE")) {
rtpproxy_engage();
}
if ($rm=="INVITE") {
lb_start_or_next(1,"pstn");
}
t_check_trans();
record_route();
t_on_failure("GW_FAILOVER");
# route the request
if (!t_relay()) {
sl_reply_error();
}
exit;
}
route[RELAY] {
if (!t_relay()) {
sl_reply_error();
}
exit;
}
failure_route[GW_FAILOVER] {
if (t_was_cancelled()) {
exit;
}
# failure detection with redirect to next available trunk
if (t_check_status("(408)|([56][0-9][0-9])")) {
xlog("Failed trunk $rd/$du detected \n");
}
}
--
- Sreeram
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- Sreeram
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