Symptoms
- Voicemail app shows 'not set up'
- Calls to voicemail go to a generic carrier greeting instead of yours
- Missed call notification appears but no voicemail follows
- Voicemail button does nothing or shows an error
Likely causes
- CommonVoicemail never set up after getting a new phone or numberVisual voicemail and greetings require a one-time setup step per device.
- PossibleCarrier-side voicemail service issueOutages or account issues on the carrier's voicemail servers can block functionality.
- PossibleVisual voicemail app needs reconfiguring after a SIM or carrier changeThe connection between the phone's voicemail app and the carrier's server can break during a switch.
- CommonFull voicemail inbox blocking new messagesA full mailbox can't accept new voicemails until old ones are deleted.
What to do
- Go into the phone's voicemail settings and complete initial setup if it shows as not configured.
- Delete old voicemails if the inbox might be full.
- Restart the phone and try accessing voicemail again.
- Toggle visual voicemail off and back on in settings if your phone/carrier supports it.
- Try dialing your carrier's voicemail access number directly (often found in support documentation) as an alternative to the app.
- Contact your carrier to confirm voicemail service is active on your line.
When to call a pro
If voicemail setup fails repeatedly or the mailbox is stuck in an error state after basic troubleshooting, contact your carrier's support to reset the voicemail service on their end.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.