Att facetime unlimited- now working

Yes, they're starting to roll it out slowly to all unlimited data iphone users.
http://forums.macrumors.com/showthread.php?t=1585246

 

Thought this was rolled out awhile ago:

http://gizmodo.com/5958936/att-reverses-you-can-use-iphone-facetime-without-wi+fi

 

Did you read the article you linked?
"AT&T will now doing the right thing, unchaining customers with regular tiered data plans."
"One bummer: those grandfathered into "unlimited" iPhone data plans of yore will be excluded, AT&T confirmed to us."

Now they allow it for unlimited data users.

 

That's great to hear then.