Alternatively, if almost every unknown caller is a dud, you can safely pick the “Silence” option and let voicemail sort them out. This is especially true in an age where number spoofing is rife, where ...
Private calls with no caller ID can be annoying – and sometimes scams Here's how to block them on iPhone.
You can make a call private by hiding your phone number in a few different ways, including using your phone's settings.