To operate and improve Apple's products and services, Apple may collect and retain some information about your use of  FaceTime: Apple may keep information about your use of iMessage and FaceTime in a way that does not personally identify you when you use the services. Apple may record and keep information about FaceTime calls for up to 30 days, including who was invited to a call and your device's network configurations. Apple does not keep track of whether or not a call is answered, and it does not have access to the content of your calls.