[SR-Users] No retry on INVITE

[Allan Kristensen]

Hello,

I'm trying to get Kamailio to retry INVITE.

We have a Freeswitch which is sending INVITE to a sip user via Kamailio
proxy using static ip/location.
All is well, calls are flowing, but sometimes INVITE from kamailio to user
is lost and no attempt to retry is occurring and so after 30 sec kamailio
just returns 408 Request timeout.

Call flow is like this:

FS       Kamailio      User
--- INVITE -->
<-- 100 Trying
            --- INVITE --->
      (Waiting 30 secs)
<-- 408 Timeout
--- ACK --->

So assume we have failed in handling retries somehow. Kamailio is running
stateless, but other retries are working, so I assume this is not a problem?

Can someone perhaps point us in the right direction on where to solve this?

Kamailio is version 5.2.4

Thank you...
/Allan
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