Have all your users public IP? you don't fix NAT "Contacts" neither
add "rport" in any request/response.
Is there a problem if I do it anyway? I supose it will have some impact on performance, but very little right? I don't know if all my clients have public IPs without NAT. The fact is I pretend to do wholesale on this server, that's why I need mediaproxy to do the rtps all the time.