[SR-Users] Need help with NAT Traversal - Changing INVITE OK contact to IP port to Contact in Location

[KamDev Essa]

The stock cfg states definng WITH_NAT and alls good. I did exactly that. However boing with stock cfg and WITH_NAT, the Registration info in location table is perfect with the UAs external IP address and port. This is not the case with the OK that in response to an INVITE. In the Contact of the OK the private IP shows up and Kamailio just sends it off to the Carrier who obviously cannot send a ack to a private IP.
Is there a step by step guide for NAT Traversal?
H
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