AT T DAL75111 Smart Call Blocker Instruction Manual
Learn how AT&T's Smart Call Blocker with model numbers DAL75111, DAL75121, DAL75211, DAL75221, DAL75311, DAL75321, DAL75411, and DAL75421 can filter robocalls and unwanted calls, while allowing welcome calls to get through. Discover how to add numbers to block or allow lists, and screen all unknown home calls with easy configurations. Get the most out of your phone system with Smart Call Blocker.