If you get annoying robocalls on your landline all the time, you may want to consider a free service from NOMOROBO.
Bogus robocalls are diverted, most times before your phone starts to ring. Sometimes your phone may ring once, and then the call is diverted. However, important robocalls from your school, doctor, town, bank, etc. still go through. It works and it’s free for landlines.
Nomorobo has been favorably written up by major media and communications companies. If you are skeptical, Google it. To get to the web site, click on the link below, it’s easy and you don’t need to be a computer wizard to get it going.