Hi, > One more thing observed in tcpdump, In DNS answer getting IP of > server.net1.test(10.0.0.9), This might be issue that REGISTER request is > trying > to communicate with 10.0.0.9 instead of 10.0.0.11(I-CSCF). Please any > suggestions.
Yes, of course. That is the reason. When the register request is processed by P-CSCF if forwards the request to an inbound proxy server of the target domain, and that is exactly the I-CSCF. You have to modify the DNS entries for resolving the SIP domain accordingly. I have quickly modified the zone-files for you. That should work now. BR Franz
0.0.10.zone
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net1.test.zone
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