You can block or unblock a number on an Android phone using the built-in Phone app's "Blocked numbers" menu.

You can block a number on your phone so that a person or company can't call or text you from a particular number. Here's how ...

AT&T is testing out an agentic AI tool that can identify and filter out robocallers. The “digital receptionist” screens calls to determine if the caller is human, how urgent the call is, and whether ...