Your iPhone might go straight to voicemail on incoming calls for a number of reasons, including your Do Not Disturb settings or several other issues.
Google Fi has started routing all voicemails directly to the iPhone’s built-in Phone app instead of the Google Fi app. If you’re getting a “Voicemail Error ...
You can set up voicemail on your iPhone through the Phone app, which will let you record a custom greeting that you can edit ...