I use it off and on and it works pretty well. Typically the caller (robot) hangs up almost right away before you get the satisfaction of screwing with them thou

I use it off and on and it works pretty well. Typically the caller (robot) hangs up almost right away before you get the satisfaction of screwing with them though and when that happens you don't get the easy option to block them as spam either because the screener quits right away.