Since FaceTime isn't a phone call how do you contact another party? Do you use there email address or is there some other IP based identifier that will be added to Contacts?
EDIT: I see Apple says "Just find her entry in your Contacts and tap the FaceTime button". Does this mean that other iPhone 4 users (or future FaceTime enabled devices) in your Contacts will have the FaceTime button enabled automatically or is it something you must configure?
EDIT: I see Apple says "Just find her entry in your Contacts and tap the FaceTime button". Does this mean that other iPhone 4 users (or future FaceTime enabled devices) in your Contacts will have the FaceTime button enabled automatically or is it something you must configure?