Re: about sip message

Hi
I've seen something like that, where the TCP connection for the
Websocket has been closed/reset by the time the MESSAGE request comes
(in fact, I looked immediately for websocket in your screenshot when I
saw the "No error" text). I'm not sure whether TM or SL sent the
response in my case, though (and I don't know what the 2 means yet).
Is that possible? Does it happen consistently? What's kamailio.cfg
code have you got for sending that request? What other troubleshooting
steps have you taken, and what were the results? I would try to find a
pattern, because that often leads to the cause and then the solution.

James

On Fri, 20 Mar 2026 at 08:02, zhaobin via sr-users
<[email protected]> wrote:
>
> I try send sip message from freeswitch to webrtc sip client,then
> kamailio send back 500 error.
>
> I have some question about this:
> 1:image show kamailio sl module send this error.Why sip message is trans
> by sl module,not tm module?
> 2:about error show (2/SL),i know SL is sl module,and 2 is what?
> 3:so i must get debug log to get more infomations about this error?
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