Following are the ways to do troubleshoot when voicemail does not work

Reopen the phone app- one of the simplest way to fix it is to open and then reopen again also known to be one of the best solutions. If case this does not work even after switching off the try another method.

Restart iPhone- next solution to the problem is to restart the phone. In order to switch it off press and hole the down button and keep holding that until you see the apple logo.a

Verify Voicemail Setup- It is not very common if an iOS update changed the handset settings. Ss in case if a user is facing voicemail problem after performing iOS 13/12 update, it will be nice idea to check it through following ways. First Visit the Phone app then select “Voicemail”, then choose on “Set Up Now”. On the following screen, make a new password for voicemail after that press “Done”. The last step is to press a default dialogue box or record one and then press “Done” to save it.

Switch on and off Airplane Mode- Performing Airplane mode switch on and off is also an actual issue in order fix voicemail problem on the iPhone or iPad. User can simply visit to Settings then Airplane mode after that turn it on. Wait for a sometime after that switch it off once again.

These were the following ways to do iPhone voicemail not working, if still these troubleshoots are of no then contact customer care service and their representative will help you out or user can drop a mail as well.

Source: https://www.assistotalk.com/iphone-voicemail-not-working/