1. Digital Phone Call Protect: Requires customer opt-in and activation through myAT&T on a computer or with the myAT&T app. Service may inadvertently block wanted calls or misidentify other calls. Suspected spam calls may include service messages or other permitted calls. Settings may be adjusted in myAT&T. May not be compatible with all applications or services. Service not guaranteed. Subject to AT&T Phone Terms of Service, available at att.com/legal/terms.