Hi,
It’s weird that the calls always drop after 32s while the callee is using public ip. Also, Server forwards ACK to itself with UDP, instead of forwarding to callee with TLS. Moreover, I cannot see “Received” in AOR as the callee finish the registration. I recognized it’s marked by nat_uac_test(“19”) and set with fix_nated_register(), the problem can be resolved. My scenario is as below, for your reference. 1.Kamailio version is 4.4.7, listening public ip. 2.Caller it’s behind NAT. 3.Clients of Linphone. Do you know the reason why it happened? Best Regards, Rex
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