This is happening, but slowly. It is a huge problem to get all carriers / phone operators to get this installed enough to be useful. Research SHAKEN/STIR to se

This is happening, but slowly. It is a huge problem to get all carriers / phone operators to get this installed enough to be useful. Research SHAKEN/STIR to see more about it. Here's an example between AT&T and Comcast: https://about.att.com/story/2019/anti_robocall.html https://about.att.com/story/2019/anti_robocall.html