Device guides for

Apple iPhone 11 Pro Max

Most searched guides

Activate mobile phone Call a phone number Turn silent mode on or off Turn Wi-Fi on or off

Getting started

Basic functions

Calls and contacts

Messages and email

Manage apps and data

Camera

Internet and data

Global services

Troubleshooting

Specifications

Ignore calls from unknown numbers

You can set your mobile phone to ignore calls from unknown phone numbers which are not saved in your address book. When you get a call from an unknown phone number, it will be diverted to your voicemail and is shown as a missed call on the call list.