Android Voicemail Setup

Step	Action	What It Fixes
1	Check your network status	Confirms if issue is network-wide
2	Toggle aeroplane mode on/off	Re-registers SIM on your network
3	Restart your phone	Clears temporary network errors
4	Check your network APN settings	Fixes incorrect data configuration
5	Re-insert SIM card	Fixes poor SIM contact issues
6	Contact your network support	Resolves account or SIM faults

This guide covers everything you need to know about android voicemail setup on your mobile network, including setup steps, troubleshooting tips and useful codes.

Getting set up on your network (Android Voicemail Setup)

Call and voicemail features are generally configured in phone settings or via short codes; check the UK APN Hub for plan-specific details.

Handy network short codes

The following GSM codes for forwarding and voicemail apply the same way on any UK network:

Divert all calls: Dial **21*[number]# and press call.

Divert when busy: Dial **67*[number]# and press call.

Divert when no answer: Dial **61*[number]# and press call.

Cancel all diversions: Dial ##002# and press call.

Check voicemail: Hold down the 1 key or dial your voicemail number.

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Fastest way to apply new APN settings

After saving, turn aeroplane mode ON for 10 seconds, then turn it OFF. This forces an immediate network re-registration — quicker than a full restart and equally effective.

When things go wrong (Android Voicemail Setup)

Toggle aeroplane mode, restart the phone, and check signal first for call problems — the UK APN Hub covers anything that doesn't clear up.

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Troubleshooting checklist

One step at a time is more effective than skipping ahead

Step 1Check APNStep 2Select APNStep 3Toggle flight modeStep 4Restart phoneStep 5Test data

What does WiFi calling do? (Android Voicemail Setup)

With WiFi calling, calls and texts use a WiFi connection instead of mobile signal, useful in weak-coverage spots with WiFi — home, office or abroad — using the normal plan allowance.

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Troubleshooting checklist

WiFi Calling steps in with broadband the moment mobile signal fails

Step 1Check APNStep 2Select APNStep 3Toggle flight modeStep 4Restart phoneStep 5Test data

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Enable Wi-Fi Calling for better indoor coverage

iPhone: Settings → Mobile Data → Wi-Fi Calling → On
Android (Samsung): Settings → Connections → Mobile Networks → Wi-Fi Calling → On
No extra charge — uses your existing call and text allowance. Ideal where indoor mobile signal is weak.

Turning on WiFi calling on iPhone (Android Voicemail Setup)

Turn on WiFi Calling via Settings → Phone → WiFi Calling on iPhone, confirming the emergency address. Once active, poor signal triggers automatic switching, visible as a WiFi icon in the status bar.

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Troubleshooting checklist

Mobile signal failure triggers WiFi Calling to use the broadband connection

Step 1Check APNStep 2Select APNStep 3Toggle flight modeStep 4Restart phoneStep 5Test data

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Enable Wi-Fi Calling for better indoor coverage

Turning on WiFi calling on Android (Android Voicemail Setup)

Enable WiFi Calling via Settings → Network & Internet → Mobile Network on most Android phones, or the Samsung/Pixel-specific paths.

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Troubleshooting checklist

If signal drops out entirely, WiFi Calling carries the call over broadband

Step 1Check APNStep 2Select APNStep 3Toggle flight modeStep 4Restart phoneStep 5Test data

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Enable Wi-Fi Calling for better indoor coverage

What you need for WiFi calling (Android Voicemail Setup)

WiFi calling needs a supporting plan, a compatible device, and WiFi — iPhone users can check for a carrier update at Settings → General → About.

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Troubleshooting checklist

WiFi Calling falls back on broadband whenever mobile signal isn't there

Step 1Check APNStep 2Select APNStep 3Toggle flight modeStep 4Restart phoneStep 5Test data

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Enable Wi-Fi Calling for better indoor coverage

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Fastest way to apply new APN settings

After saving, turn aeroplane mode ON for 10 seconds, then turn it OFF. This forces an immediate network re-registration — quicker than a full restart and equally effective.

Fixing WiFi calling issues (Android Voicemail Setup)

If it's greyed out, the device or plan likely lacks support — the provider can verify it's switched on.

Handover between WiFi and mobile causing a dropped call is expected; sticking to one connection avoids it.

If quality suffers on WiFi calls, get nearer the router, verify upload speed, and restart it if needed.

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Troubleshooting checklist

Avoid jumping to the last option — work through them individually

Step 1Check APNStep 2Select APNStep 3Toggle flight modeStep 4Restart phoneStep 5Test data

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Enable Wi-Fi Calling for better indoor coverage

Frequently Asked Questions About Android Voicemail Setup

How do I contact your network UK support?

You can contact your network UK customer support through their official website, via live chat, by phone, or through their social media channels.

How do I check my your network signal strength?

Check your phone's signal bars in the status bar. For a detailed reading, go to Settings → About Phone → Status (Android) or dial *3001#12345#* (iPhone) to open Field Test mode.

What should I do if your network has no service?

If your network shows no service, try toggling Aeroplane Mode on and off, restarting your phone, and checking your network coverage map for your area. If the issue persists, contact your network support.

How do I keep my number when switching to your network?

To keep your number when switching to your network, request a PAC code from your current provider by texting 'PAC' to 65075. You can then give this code to your network when you set up your new account.

Does your network support WiFi calling?

Many your network plans support WiFi calling. Check your network account settings or your network website to see if WiFi calling is available on your plan and how to enable it.

Android Voicemail Setup