How to resolve NAT problem

Any help how to resolve nated problem?

what’s the problem? NAT is either working or it’s not… and would be on your firewall/router unless i’m not understanding…

The problem is I’m not able to make VoIP with openfire I try to enable jingle plugins but It didn’t work also try STUN server settings and didn’t work out so I have no Idea how solve that issue on my server.