There are a few apps mentioned for helping with this problem. In my experience Should I Answer? is the best by far. * https://play.google.com/store/apps/detail

There are a few apps mentioned for helping with this problem. In my experience Should I Answer? is the best by far. * https://play.google.com/store/apps/details?id=org.mistergroup.muzutozvednout https://play.google.com/store/apps/details?id=org.mistergrou... None of the apps solve the random VoIP callers. I would be perfectly happy with an app that outright blocked many VoIP providers.