I could see sending all non-contact calls to voicemail the first time, and letting them ring if they call again.
Anything more restricted would make you unavailable if, say, the police called because a family member was in a crash. I will put up with some inconvenience to be available in rare emergencies.
Anything more restricted would make you unavailable if, say, the police called because a family member was in a crash. I will put up with some inconvenience to be available in rare emergencies.