19 Oct
2020
19 Oct
'20
2:28 p.m.
Hello,
if kamailio is stateless (ie., you do not use tm module, but forward()
for sending out requests), then it will not do any retransmission and it
is not sending 408 itself (likely received from downstream).
With a stateless Kamailio, you should not send out 100 trying, but let
upstream do retransmission if it is the case.
Cheers,
Daniel
On 19.10.20 11:34, Allan Kristensen wrote:
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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Daniel-Constantin Mierla -- www.asipto.com
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