Best WiFi Calling Settings

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 best wifi calling settings on your mobile network, including setup steps, troubleshooting tips and useful codes.

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Troubleshooting checklist

Wherever signal falls short, WiFi Calling shifts the call onto broadband instead

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.

Setting up on your mobile network (Best WiFi Calling Settings)

Call and voicemail settings are typically managed via phone settings or dial codes; the UK APN Hub has plan-specific instructions.

Useful mobile network codes (Best WiFi Calling Settings)

The GSM codes for call forwarding and voicemail are standard across UK networks:

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 (Best WiFi Calling Settings)

If calls fail, an aeroplane mode toggle, restart and signal check are the first things to try; the UK APN Hub covers persistent cases.

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Troubleshooting checklist

Fastest checks lead, the more hands-on fixes come later

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

What is WiFi calling?

WiFi calling substitutes WiFi for the mobile network on calls and texts, useful anywhere signal is weak but WiFi is present — home, office or abroad — using the normal allowance.

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Troubleshooting checklist

WiFi Calling redirects to broadband whenever mobile signal can't support the call

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

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Enable Wi-Fi Calling for better indoor coverage

How to enable WiFi calling on iPhone (any network)

For iPhone, go to Settings → Phone → WiFi Calling, switch it on, confirm the emergency address, and watch for the WiFi icon in the status bar.

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Troubleshooting checklist

When signal isn't enough for a call, WiFi Calling shifts it onto 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

How to enable WiFi calling on Android (any network)

For most Android phones it's Settings → Network & Internet → Mobile Network → WiFi Calling; Samsung Galaxy and Pixel each use a slightly different path.

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Troubleshooting checklist

WiFi Calling relies on broadband wherever mobile signal alone can't carry a call

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

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Enable Wi-Fi Calling for better indoor coverage

General WiFi calling requirements

Requirements: WiFi-calling plan support (most current UK plans have it), a compatible device, and active WiFi — iPhone may also need a carrier update via Settings → General → About.

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Troubleshooting checklist

Calls shift to broadband through WiFi Calling when signal isn't strong enough

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.

Troubleshooting WiFi calling not working

Greyed out typically indicates unsupported device or plan, or that it hasn't been enabled on the account yet.

Switching between WiFi and mobile mid-call can cause drops — staying on one connection avoids this.

Poor WiFi call quality is often distance from the router or slow upload — verify at least 1Mbps, restarting the router if needed.

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Troubleshooting checklist

Ordered from quick check to hands-on fix

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 Best WiFi Calling Settings

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.

Best WiFi Calling Settings