Fixing calls that always go directly to voicemail on Android includes disabling Do Not Disturb, call forwarding, call barring, Bluetooth, and more.

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 ...

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.