Call blocker. We went from about a dozen calls a week, down to maybe one or two, all because we block every number that comes in from a solicitor. Believe it or not, eventually the calls stop, although some of the more enterprising scammers spoof their numbers to make you think it’s your pharmacy, or some such.
youmail.com
You can wildcard “?” to block whole bunches of numbers and AI report bad boys for a rogues list that gets blackballed.