Hi,
Apparently, your scenario doesn't expect ACK when it comes. You should,
probably, follow the sip exchange and figure out if ACK is correct. If
it is correct then fix your scenario.
HTH, Dmitry
John Barry wrote:
Hello,
I want to measure the performance of a OpenSER (1.3.2)proxy doing
digest authentication. In my test bed I have an OpenSER proxy and two
SIPp instances: one running the server scenario (uas), and the other
one a modified client scenario to support INVITE authentication.
While testing, I have notice that there are a lot of unexpected
message errors and retransmissions when the load is relatively low
(400 cps). At 400 cps, the server nor the SIPp instances are close to
saturate their corresponding hardware resources. I have done the same
test before with a similar server, and I was able to reach at least
3,000 cps
In the error log of the uas SIPp, I can see the following error:
"Aborting call on unexpected message for Call-Id
'[email protected]': while pausing (index 6), received
'ACK sip:[email protected] SIP/2..0"
I have tested with SIPp versions 3.0 and 3.1 and I get the same behavior.
Any ideas regarding what could be causing this problem?
Thanks,
JB
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