AT T Introducing Smart call blocker Instructions
Discover the benefits of AT&T's Smart call blocker, the effective call screening tool that filters robocalls and unwanted calls. Learn how to use it with the DL72119/DL72219/DL72319/DL72419/DL72519/DL72539/DL72549 DECT 6.0 cordless telephone/answering system with caller ID/call waiting. Subscription for caller ID service is required.