Do you have a third-party app installed like Hiya, Truecaller, or RoboKiller? These apps act as a filter for your calls. If one of these apps identifies a number as "potential spam" or "unknown risk," it might automatically block it or send it to voicemail.
If you’ve checked your iPhone settings and are still having trouble, open your spam-filtering app and check its "Block List" or "Settings" to ensure legitimate unknown numbers aren't being caught in the net. how do i unblock unknown calls on my iphone
The most common reason unknown numbers go straight to voicemail is a specific privacy setting introduced in iOS 13. If this is turned on, numbers not in your contacts, recent calls list, or Siri Suggestions will be silenced. Do you have a third-party app installed like
If you rely on this feature to stop spam but need to hear from a specific unknown number (like a delivery driver), ask them to leave a voicemail. If they leave a message, their number will appear in your "Recents" list, and subsequent calls from that number will ring through even if the feature is on. If you’ve checked your iPhone settings and are