In iOS 13, you can block calls from unrecognized numbers—callers who aren’t in your Contacts, Calendar, Mail, Messages, or other apps. They’ll go straight to voicemail and appear in your missed calls list.
To learn more about this topic visit the following article:
Detect and block spam phone calls: https://apple.co/2nxFuMx
Contact Apple Support for iPhone: http://apple.co/iPhone
To subscribe to this channel: https://www.youtube.com/c/AppleSupport
To download the Apple Support app: http://apple.co/2hFtzIv
Apple Support on Twitter: https://twitter.com/AppleSupport