Hi all,
We are using kamailio 5.1.6, configured as P-CSCF, facing following problem.
Please indicate, if you need further information - e.g. I could provide a
tshark trace.
If during call setup (by simulated UAs) at the terminating P-CSCF the simulated
PCRF rejects the Diameter AAR message, then the kamailio P-CSCF runs into a
questionable behaviour.
By calling the Rx_AAR() function in configuration, the processing of the 200 OK
is suspended (by the ims_qos module) and then resumed with the receipt of the
AAA message.
Now the ims_dialog module is called with the dlg_terminate("all", "reason")
function, but the 200 OK has not yet been sent. The ims_dialog sends CANCEL
downstream and 488 upstream. However, the 200 OK is sent additionally. We would
rather have expected the ims_dialog module should send BYE in both directions.
When we respond the CANCEL with 481 Call/Transaction does not exist (which we
MUST according to RFC 3261), then we would expect the ims_dialog module at
least now to react with BYE in both directions.
Could you help? What's our misunderstanding? How could we proceed to get this
issue fixed?
Kind regards
Christoph
P.S.: This is a retransmission, because the original message did not pass
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