[SR-Users] Need help troubleshooting messages that never made it to the client

Daniel-Constantin Mierla miconda at gmail.com
Fri Dec 8 09:35:53 CET 2017


Hello,


On 08.12.17 02:23, Andrew Chen wrote:
> Hi all,
>
> So for a while now I've been working with our engineering team to
> troubleshoot these random events where the UPDATE message sent from
> the server never made it to the client side.  Here is the the topology:
>
> Server -(tcp)-> kamailio -(tls)-> client
>
> So looks pretty straight forward and I have logging messages stating
> t_relay() was successful in sending the message.
>
> The question is how do we know t_relay really successfully sent it? 
> Does it actually monitor the physical interface as it goes out?
>
>
t_relay() may return successful code if the message was put in the
writing queue. Later can be another log message if sending ended int a
transmission timeout. Do you have a failure_route set for such
t_relay()? If not, you can add one, it should be executed if sending fails.

Cheers,
Daniel

-- 
Daniel-Constantin Mierla
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