19 Oct
2020
19 Oct
'20
3:02 p.m.
Hello Daniel,
Okay, so I had a look at the config and we do use the t_relay() for
customer facing proxy, so I was mistaken.
So I guess it's okay to reply 100 and then let kamailio handle the retry.
Question is, how do I get it to resend INVITE when there is no response to
the INVITE after a few seconds?
Is it a TM parameter or should I do it in the config script?
Thank you...
/Allan
On Mon, Oct 19, 2020 at 1:28 PM Daniel-Constantin Mierla <miconda(a)gmail.com>
wrote:
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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