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 ...

To delete all voicemails on your iPhone at once, you'll have to select them one by one. You can also export the voicemails if ...

Apple says the issue may stem from having an inactive SIM with the same number as your active SIM. To fix it, remove the inactive SIM and activate iMessage again.