[SR-Users] TOPOS issue

David Villasmil david.villasmil.work at gmail.com
Tue Sep 29 21:05:25 CEST 2020

Hello guys,

I have this scenario where I have an ongoing transaction.
I receive a 180 (non 100rel) with some to_tag, which i forward back to the
Then I receive an 183 (100rel) which is forwarded back to the caller, who
in turn PRACKs it.
It is then that Kamailio (apparently) can't match that transaction
internally and replies to the caller (the one PRACKing the 183 (100rel)),
with 493 FORBIDDEN.

I'm attaching a trace flow. (Kamailio is

Anyone ever encountered this?
Is this valid and should work?

[image: prack.jpeg]

David Villasmil
email: david.villasmil.work at gmail.com
phone: +34669448337
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