If you’ve already created a custom voicemail on your iPhone, you can tap Play to see how your voicemail sounds. If you’re interested in creating a new message, tap the Custom button. From here, you can start recording your message by tapping Record and tapping Stop whenever you’re finished. Once you’re finished recording, tap on Play to make sure the message comes across as you’d like and hit Save (in the upper right) to save it as your voicemail.
With iMazing, you can easily save your voicemail as an audio file, to your computer or to an external drive.

Your network can be the culprit causing the issue for the application. Sometimes, the network can be blocking the application usage for your phone. Several users solved this issue by resetting their network settings. Resetting network settings will renew all the information related to the network that you are using on your phone. You can reset the network settings by following the steps below:
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