I'm having trouble connecting to my friends PS3 in COD Modern Warfare 3 / FIFA 12.
I send an invite (Vice versa) and when we click 'Join', after 10 seconds it says 'Unable to connect to host'.
Both of our NAT types are open.
We've tried using DMZ, Port Forwarding with no luck.
It's now becoming extremely frustrating.
Any advice would be good.
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