Voicemail issues are apparently common across the range of iPhones. I have seen them from the older iPhone 5 all the way up to the iPhone XR. Sometimes it’s not the phone itself at fault, but the network that’s causing the problem. Sometimes it is the phone, and a few simple tricks can get voicemail working again.
To avoid missing important calls in those situations, it is better if you know how to set up voicemail on Android or iPhone so that you can be away from other businesses or engagements without having to worry about missing any important calls.

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If your carrier supports the iPhone voicemail feature, you can retrieve and listen to your voicemail right from within the “Phone” app and call your contacts back by simply tapping their messages. That type of functionality is pretty neat and useful, because it saves you actual time. If not supported by your carrier, you will not be able to see the visual overview of your voicemail inbox and use any of the related features. Tapping the “Voicemail” tab in your “Phone” app will simply call the number associated with your voicemail box. So let’s get going with creating our custom voicemail greeting on iPhone! How to record your own Voicemail on iPhone Phone → Voicemail → Greeting → Custom → Record → Save