not sure...
I am assuming that your users are registered... however your Asterisk sends
something like MESSAGE sip:916c67e8-...@10.5.0.8:5001;transport=udp but
the user part (916c67e8-....) seems to be a display/name, as it looks like
a UUID, not a registered AOR (like User1, User2, etc... ).
I guess Kamailio can’t lookup("location") for that AOR, and then
re-targets/forwards in a way that loops back to itself resulting in SIP 483
....
just a wild guess.... but in your Asterisk dialplan you should try to get
the target AOR user and set it to the MESSAGE(to) variable, prior to
sending the message...
on Kamailio just save the location upon register, and on relay lookup for
user AOR to location, etc... and relay the message.
if you run a kamcmd ul.dump you should get an idea of the registered
endpoints
again, verrrrryyyyy wild guess and assuming lots of things :)
Atenciosamente / Kind Regards / Cordialement / Un saludo,
*Sérgio Charrua*
On Mon, Aug 25, 2025 at 6:34 PM Fernando Lopes via sr-users <
sr-users@lists.kamailio.org> wrote:
> So, when Kamailio receives this, it thinks about the message itself rather
> than the client and doesn’t know where to send it. Is that correct? If so,
> how can I fix this issue? Would I need to check if message comes from
> internal ip and if so relay to the client?
> <--- Transmitting SIP request (687 bytes) to UDP:10.5.0.8:5001 --->
> MESSAGE
> sip:916c67e8-652f-49ea-b288-2bbbee8dbf21@10.5.0.8:5001;transport=udp;x-ast
> SIP/2.0
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