AT&T Call Protect detects and blocks calls from likely fraudsters and helps identify Telemarketers and other suspected spam calls. Also manually blocks unwanted calls. Leverage the power of the AT&T network to identify phone spam and help eliminate unwanted calls. Smartphones sold by other carriers may not be eligible. Automatic Fraud BlockingDetects and blocks calls from likely fraudsters before your phone ringsReview blocked calls in the appUnblock any previously blocked calls that you would like to receive in the future Suspected Spam WarningIdentifies telemarketers and other suspected spam calls such as politicians and debt collectors. Available in HD Voice coverage areas. Manual Call BlockingBlock unwanted calls from whoever you choose Report Spam CallsHelp identify suspected spam and likely fraud callsYour reports help us to continually improve our serviceAlso includes AT&T Mobile Security to help protect your phone from malware, viruses and system threats. Learn more at att.com/securitycallprotect AT&T Mobile Security and Call Protect: Includes access to AT&T Mobile Security and AT&T Call Protect. Services require download of separate applications. AT&T Mobile Security is only available to AT&T postpaid wireless customers with Android smartphones that are eligible for HD service. AT&T Call Protect is available to AT&T consumer and business (except Government) postpaid wireless customers with iPhone 6 or above or Android smartphones that are eligible for AT&T HD Voice. Smartphones sold by other carriers or direct from device manufacturers may not be eligible for AT&T HD Voice. For information on AT&T HD Voice, visit www.att.com/hdvoice. Data charges may apply for app download and usage. AT&T Call Protect: (1) Automatic Fraud Blocking: May inadvertently block wanted calls, but settings can be adjusted to turn off blocking or allow specifically designated numbers. (2) Suspected Spam Warning: Must be in AT&T HD Voice coverage area to be alerted to suspected spam calls. Suspected spam may include service messages and/or other permitted calls. (3) Manual Call Blocking: Requires AT&T Call Protect app. Permits blocking of phone numbers. Does not permit blocking of unknown numbers. For complete terms and conditions for AT&T Call Protect, see www.att.com/callprotectterms. AT&T Mobile Security: When Mobile Security app is installed, Call Protect features like Automatic Fraud Blocking and Suspected Spam Warning are automatically enabled at network level. (1) App Security: Not guaranteed to detect or protect against all viruses and malware. (2) System Advisor: Not guaranteed to detect all roots and jailbreaks and does not prevent roots, jailbreaks or unauthorized app installation (s). For complete terms and condition for AT&T Mobile Security, see www.att.com/mobilesecurityeula.