about sip message

zhaobin via sr-users <[email protected]> Thu, 19 Mar 2026 18:21:17 +0800
Newsgroups gmane.comp.voip.ser
Message-ID <[email protected]>
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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