Hi Sunil,

Please give some solution.

Please give some information.

From what you have sent so far it is clear that the 503 is coming from some UAS which I guess is not another SIPp instance running an UAS script. So either your UAC script in SIPp is sending something that makes that UAS go crazy, or that UAS has some problem irrelevant to SIPp at all.

Pavel


Dne 20.3.2018 v 9:12 Sunil Kumar napsal(a):
Hi team sipp,
I am getting SIP/2.0 503 Service Unavailable. Please give some solution.

*[]ubuntu@stress:/var/log/clearwater-sip-stress$ cat 21491_caller_errors.log*
sipp: The following events occured:
2018-03-20      19:13:22.256018 1521553402.256018: Aborting call on unexpected message for Call-Id '1-21501@1                        27.0.1.1': while expecting '183' (index 2), received 'SIP/2.0 503 Service Unavailable Via: SIP/2.0/TCP 127.0.1.1:41238;received=10.224.61.13;branch=z9hG4bK-21501-1-0 Record-Route: <sip:scscf.sprout.ims.com <http://scscf.sprout.ims.com>;transport=TCP;lr;billing-role=charge-term> Record-Route: <sip:scscf.sprout. ims.com <http://ims.com> ;transport=TCP;lr;billing-role=charge-orig>
Call-ID: 1-21501@127.0.1.1 <mailto:1-21501@127.0.1.1>
From: <sip:2010000012@ ims.com <http://ims.com> >;tag=21501SIPpTag001
To: <sip:2010000045@ ims.com <http://ims.com> >;tag=z9hG4bKPjKAqRQhSEDZfI8vg52uWhPdLZWlb4.o7s
CSeq: 1 INVITE
P-Charging-Vector: icid-value="21501SIPpTag001";orig-ioi= ims.com <http://ims.com> ;term-ioi= ims.com <http://ims.com>
P-Charging-Function-Addresses: ccf=0.0.0.0
Content-Length:  0



Thanks,
Sunil


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