I just assume every call not from a contact is spam and let them go to voicemail. It's even a built-in feature of the phone. That's the world we seem to live

I just assume every call not from a contact is spam and let them go to voicemail. It's even a built-in feature of the phone. That's the world we seem to live in now, where the POTS network has been thoroughly corrupted by the mere existence of SIP.