What I would like is to have such calls (from people not in my Contacts) go straight to voice mail, without making my phone ring. Is that what this setting does?
Hello @rdm ,
Welcome to Republic’s Member Community
No, (If we’re talking about the Google dialer app). Per the below Google link, it "will block calls from private or unidentified numbers. You will still receive calls from phone numbers that are not stored in your contacts. "
Block or unblock a phone number - Phone app Help
Please take a look at this solution using the “Do Not Disturb” setting:
Please let the Community know if this helps.