My bad, somehow AnonymousCallBlockEnable was checked and was preventing some calls from getting through. Don't know how because I've never had that set to block.
Either the moderator can delete this thread or mark it as solved, I don't want to discourage anyone form updating firmware if it's not a problem.
@azrobert, thanks again, I always download FW and install manually. It's good to know that I can revert back to an older version if need be.