Android interfaces vary slightly depending on the manufacturer (Samsung, Google Pixel, Motorola, etc.), but the general process is similar.
Some users block numbers at the account level to prevent spam. This overrides phone-level settings. how to unblock phone number
View the blocked blocklist and remove the target number. how to unblock phone number
Apple’s iOS keeps blocked numbers in a specific list within the Settings menu. how to unblock phone number
I unblocked the number, but calls still go to voicemail.
If you have a recent call log or the number saved in contacts: