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Google's Call Screen feature allows users to manage unknown calls by delegating the initial interaction to Call Assist, which identifies the caller and provides context. This feature is now integrated with Android Auto, although the screening process itself remains a function of the phone. Call Screen operates in two modes: manual, where users can choose to screen calls, and automatic, which silently screens certain unknown calls and hangs up on spam. Call Screen works directly on the device without needing Wi-Fi or mobile data, and call audio and transcripts are not stored in the user's Google Account. To set up Call Screen, users must do so through the Phone by Google app. Compatibility with Android Auto and Call Screen varies by phone model and geographical location, with automatic screening primarily available on Pixel phones in the U.S. Manual screening is accessible in several countries, and some selected Android devices may also support it. Not all call screening features are the same across different brands, and practical limitations exist for automatic Call Screen, such as functionality issues when connected via Bluetooth or while roaming.