Filed under: iPhoneGot the FaceTime blues? It could be your router's firewall settings. Apple has posted a support document noting that some routers using firewalls, security software or other restrictive settings will require a settings change. Specifically:
To use FaceTime on a restricted Wi-Fi network, port forwarding must be enabled for ports 53, 80, 443, 4080, 5223, and 16393-16472 (UDP).
Most routers will "just work," but if you're having issues it is worth a check. In my experiences my home Belkin router didn't need any tweaking and each time I've used FaceTime from a public WiFi Hotspot it also worked swimmingly. If you'
