How to Use Wi-Fi Calling Abroad Without Roaming Charges

Wi-Fi Calling abroad on a smartphone without roaming charges

Traveling internationally but still want to receive calls on your regular phone number? Wi-Fi Calling can help you stay connected abroad without relying entirely on expensive international roaming.

When Wi-Fi Calling is supported by your phone and mobile carrier, your normal calls can travel through a Wi-Fi internet connection instead of a nearby cellular tower. This means you may be able to call home, receive important calls, and even use your regular number while thousands of miles away.

However, there is one important rule to understand before using it:

Wi-Fi Calling abroad does not automatically mean every call is free.

Your carrier decides whether Wi-Fi Calling works internationally, which destinations are supported, and whether a particular call triggers roaming or long-distance charges.

In this guide, we'll explain how Wi-Fi Calling abroad works, how to set it up on Android, Samsung Galaxy phones and iPhones, how Airplane Mode can help prevent accidental roaming, and how to use a local SIM or travel eSIM alongside your regular number.

What Is Wi-Fi Calling?

Wi-Fi Calling is a mobile carrier feature that allows your phone to make and receive regular phone calls through a Wi-Fi connection rather than depending entirely on a cellular tower.

Unlike WhatsApp, FaceTime, Messenger or another internet calling app, carrier Wi-Fi Calling normally works through your phone's standard dialer and uses your existing mobile phone number.

For example, imagine that you have a Canadian or U.S. phone number and travel to another country. If your carrier supports international Wi-Fi Calling, your phone may connect to your carrier through your hotel, home or airport Wi-Fi.

The person calling you normally doesn't need a special app. They simply call your regular number.

Google also notes that Wi-Fi Calling availability depends on your mobile operator, meaning that having a compatible Android phone does not automatically guarantee that the feature will work.

If you're having general internet problems before trying Wi-Fi Calling, first check our guide on fixing Wi-Fi connected but no internet on Android.

Does Wi-Fi Calling Work Abroad?

Yes, Wi-Fi Calling can work internationally, but it depends heavily on your carrier.

This is where many travelers get confused.

Your smartphone may support Wi-Fi Calling perfectly, but your mobile network can decide whether the service is available outside your home country.

Some carriers allow international Wi-Fi Calling and treat calls back to your home country similarly to domestic calls. Other carriers limit international use or disable Wi-Fi Calling abroad entirely.

For example, Rogers currently allows Wi-Fi Calling while roaming outside Canada under its Wi-Fi Calling rules, while Bell states that its Wi-Fi Calling service is only available within Canada.

That means two travelers using identical Samsung or iPhone models may get completely different results simply because they use different mobile providers.

Always check your carrier's current policy before relying on Wi-Fi Calling during an international trip.

Does Wi-Fi Calling Avoid Roaming Charges?

Wi-Fi Calling can help you avoid certain roaming charges, but it does not make every international call free.

The most important factor is usually the number you are calling.

Calling Back to Your Home Country

Some carriers treat Wi-Fi calls back to your home country as normal domestic calls.

For example, Verizon currently states that customers using Wi-Fi Calling abroad can call U.S. numbers without an additional charge, while AT&T also states that Wi-Fi calls from other countries to U.S. numbers can be made at no additional charge.

Calling a Number in the Country You're Visiting

This is where things can become expensive.

A Wi-Fi connection does not necessarily make a call to a foreign number free.

Your carrier may classify the call as international long distance or international roaming even though the actual connection is traveling through Wi-Fi.

Incoming Calls

Incoming Wi-Fi calls can also be treated differently depending on the carrier and plan.

Check the carrier's international Wi-Fi Calling policy instead of assuming that incoming calls are automatically free.

The Simple Rule

Think of Wi-Fi Calling as an alternative way for your phone to reach your mobile carrier. It is not a universal free international calling service.

Your normal carrier billing rules can still apply.

Set Up Wi-Fi Calling Before You Travel

If you plan to depend on Wi-Fi Calling overseas, activate and test it before leaving your home country.

Don't wait until you're sitting in a hotel overseas to discover that your carrier requires additional registration.

Enable Wi-Fi Calling on your phone.
Complete your carrier's activation process.
Enter or confirm your emergency address if requested.
Connect your phone to a reliable Wi-Fi network.
Wait for the Wi-Fi Calling indicator to appear.
Make a test call.
Turn on Airplane Mode.
Manually turn Wi-Fi back on.
Make another test call.

If the second call works while Airplane Mode is enabled and Wi-Fi is connected, your phone is successfully making a call without relying on its normal cellular radio.

This is an excellent test to perform before an international trip.

How to Turn On Wi-Fi Calling on Android

The exact menu varies between Android manufacturers and carriers, but Google's standard Android path is generally similar to:

Open Settings.
Tap Network & internet.
Tap SIMs.
Select your mobile carrier SIM.
Tap Wi-Fi Calling.
Turn Wi-Fi Calling on.

If you can't find the setting, use the search box at the top of Android Settings and search for Wi-Fi Calling.

If the option still doesn't appear, possible reasons include:

Your carrier doesn't support Wi-Fi Calling.
Your current mobile plan doesn't support it.
Your phone model isn't approved by your carrier.
Your SIM or eSIM hasn't been provisioned correctly.
A carrier settings update is required.

If Android settings or carrier apps start behaving strangely during setup, clearing temporary files may help. See our guide on how to clear cache on Android without deleting your data.

How to Turn On Wi-Fi Calling on Samsung Galaxy Phones

Samsung provides two common ways to enable Wi-Fi Calling.

Method 1: Through the Phone App

Open the Phone app.
Tap the three-dot menu in the upper-right corner.
Tap Settings.
Find Wi-Fi Calling.
Turn it on.

Method 2: Through Samsung Settings

Open Settings.
Tap Connections.
Tap Wi-Fi Calling.
Enable the feature for the correct SIM.

Your carrier may open a registration page and ask you to enter or confirm an emergency address.

That is normal.

Wi-Fi Calling emergency services can use the registered address because your location may not be determined through Wi-Fi in the same way it would be through a cellular network.

Samsung also notes that available Wi-Fi Calling settings can vary by carrier.

If regular calls work but people cannot hear you properly, that may be a separate microphone problem rather than a Wi-Fi Calling issue. Follow our Android call microphone troubleshooting guide.

How to Turn On Wi-Fi Calling on iPhone

Apple currently provides the following general path:

Open Settings.
Tap Cellular.
If you use more than one SIM, select the correct line.
Tap Wi-Fi Calling.
Turn on Wi-Fi Calling on This iPhone.
Tap Enable if prompted.
Enter or confirm your emergency address if required.

When Wi-Fi Calling is active, Apple says you can see a Wi-Fi indicator associated with your carrier while viewing Control Center.

If Wi-Fi Calling doesn't work, Apple recommends checking that the feature is enabled, restarting the iPhone and trying another Wi-Fi network.

How to Use Wi-Fi Calling Abroad With Airplane Mode

This is one of the most useful tricks for international travelers.

If you're worried that your phone might connect to a foreign cellular network and accidentally trigger roaming, you can use Airplane Mode while manually turning Wi-Fi back on.

How to Test It

Turn on Airplane Mode.
Wait several seconds.
Turn Wi-Fi back on manually.
Connect to a reliable Wi-Fi network.
Wait for your carrier's Wi-Fi Calling indicator.
Make a call to an eligible number.

Because the normal cellular radio is disabled by Airplane Mode, your phone cannot simply place the call through the foreign cellular network.

However, you still need to check your carrier's billing rules. Airplane Mode prevents cellular roaming; it does not automatically make an international Wi-Fi call free.

If you aren't sure whether your phone has a working internet connection after enabling Wi-Fi, our Android Wi-Fi connected but no internet guide covers the most common causes.

Use Wi-Fi Calling With a Local SIM or Travel eSIM

For longer international trips, a dual-SIM setup can be one of the most practical options.

You can potentially use:

Your home SIM/eSIM: Keep your regular number active for important calls and messages.
A local SIM or travel eSIM: Use it for inexpensive mobile data and local calls.

For example, you could keep your Canadian, American or UK number active while using an inexpensive Indian, European or Asian SIM for everyday mobile data.

Recommended General Setup

Keep your home SIM enabled.
Turn off data roaming for the home SIM unless your plan includes roaming.
Set the local SIM or travel eSIM as your preferred mobile-data connection.
Keep Wi-Fi Calling enabled on your home line.
Check which SIM is selected before making a call.

Dual-SIM behavior varies between devices and carriers, so don't assume every phone will route calls in exactly the same way.

If your local SIM suddenly shows full bars but the internet doesn't work, see our guide to fixing mobile data not working despite having full signal.

Wi-Fi Calling Abroad Rules by Carrier

Carrier policies matter more than the phone itself when determining whether international Wi-Fi Calling will work.

Rogers

Rogers supports Wi-Fi Calling while customers are outside Canada.

Its current support information explains that Wi-Fi Calling can be used while roaming, but billing depends on the destination being called.

Rogers also warns that making a Wi-Fi call or sending a message to certain non-Canadian numbers while traveling can trigger roaming or long-distance charges.

Check Rogers' current Wi-Fi Calling policy.

Bell Canada

Bell's policy is different.

Bell currently states that Wi-Fi Calling is only available within Canada.

This is a good example of why travelers should never assume that Wi-Fi Calling works internationally simply because their smartphone supports the feature.

Check Bell's Wi-Fi Calling policy.

Verizon

Verizon currently states that when using Wi-Fi Calling outside the United States, calls back to U.S. numbers can be made without an additional charge.

Calls to non-U.S. numbers can be billed according to the user's international long-distance plan or applicable rates.

Check Verizon's current Wi-Fi Calling rules.

AT&T

AT&T currently says Wi-Fi calls made from another country to U.S. numbers are available at no additional charge.

Calling an international number can be charged according to the international roaming option or plan associated with the account.

Check AT&T's Wi-Fi Calling information.

T-Mobile

T-Mobile supports Wi-Fi Calling on compatible devices and allows customers to use their T-Mobile number for calls and texts through Wi-Fi.

International calling charges can still depend on where you are and which destination you're contacting, so check your specific T-Mobile plan before traveling.

Check T-Mobile's current Wi-Fi Calling information.

Other Carriers

If you use another carrier such as Vodafone, EE, O2, Three, Telstra, Optus, Orange or another regional provider, check its official international Wi-Fi Calling documentation before traveling.

Policies can change, and some networks also restrict Wi-Fi Calling from certain countries.

Can You Receive Text Messages Abroad With Wi-Fi Calling?

On supported carriers and devices, Wi-Fi Calling technology can also support SMS or MMS messaging through Wi-Fi.

This can be extremely useful when traveling because you may need your normal phone number for:

Bank verification codes
Two-factor authentication
Government account notifications
Airline alerts
Credit card security checks
Password resets
Work account authentication

However, SMS-over-Wi-Fi availability is carrier-dependent.

Some verification systems may also refuse to deliver codes internationally for security reasons, even if your carrier connection itself is working.

If you're experiencing general Android notification problems rather than SMS issues, you can also check our WhatsApp notifications troubleshooting guide for background-data and notification-setting fixes that apply to many connectivity problems.

Can You Receive Calls Abroad Without Roaming?

Potentially, yes.

If your carrier supports international Wi-Fi Calling and your phone successfully registers over Wi-Fi, an incoming call to your normal number may be delivered through the Wi-Fi Calling connection.

You don't need to tell the caller that you're overseas. They normally call your regular phone number exactly as they would when you are at home.

The important part is making sure your phone is actually registered to Wi-Fi Calling.

Look for your carrier's Wi-Fi Calling indicator before answering if you're specifically trying to avoid a roaming cellular connection.

What Happens If You Miss the Call?

A missed call itself does not necessarily mean you need to return it through the foreign cellular network.

If your carrier supports international Wi-Fi Calling, reconnect to Wi-Fi, confirm that Wi-Fi Calling is active and then call the eligible home-country number through Wi-Fi.

This can be particularly useful for travelers who still need to receive calls from banks, employers, government agencies or family members while overseas.

Can Wi-Fi Calling Switch to Cellular During a Call?

Depending on the phone and carrier, a Wi-Fi call may be capable of handing over to a cellular network if the Wi-Fi connection disappears.

This matters internationally.

If your phone switches from Wi-Fi Calling to a foreign mobile network, roaming charges could potentially begin.

If preventing cellular roaming is your priority, using the Airplane Mode + Wi-Fi method removes that cellular fallback while Airplane Mode remains enabled.

Wi-Fi Calling Not Working Abroad? Try These Fixes

If Wi-Fi Calling worked at home but suddenly stops working overseas, work through these fixes in order.

1. Confirm That Your Carrier Allows Wi-Fi Calling Abroad

This should be your first check.

Don't waste time resetting your phone if the carrier simply blocks international Wi-Fi Calling.

Visit your carrier's official website and check whether international Wi-Fi Calling is supported in your destination.

2. Make Sure Wi-Fi Calling Is Still Enabled

Software updates, SIM changes or network setting resets can sometimes affect carrier features.

On Samsung, check:

Settings > Connections > Wi-Fi Calling

On iPhone, check:

Settings > Cellular > your line > Wi-Fi Calling

3. Check Whether the Wi-Fi Actually Has Internet

Connecting to a Wi-Fi network isn't enough. The network must also have internet access.

Open a browser and load several websites.

If pages don't load, troubleshoot the internet connection first using our Wi-Fi connected but no internet fixes.

4. Try Airplane Mode

Turn on Airplane Mode, manually re-enable Wi-Fi and reconnect.

This prevents the phone from preferring the roaming cellular network while you're testing Wi-Fi Calling.

5. Restart the Phone

A simple restart can force the SIM, carrier profile and Wi-Fi Calling service to register again.

If multiple Android apps are also freezing or crashing after network changes, see our Android apps keep crashing troubleshooting guide.

6. Try Another Wi-Fi Network

Not every Wi-Fi network works properly with Wi-Fi Calling.

Some hotels, airports, offices and public Wi-Fi systems can restrict the network traffic required for carrier Wi-Fi Calling.

Try:

Your hotel room Wi-Fi
A trusted home Wi-Fi network
Another private Wi-Fi network
A compatible hotspot

If you need to help another Android device join your network, our guide explains how to share a Wi-Fi password on Android using a QR code.

7. Disable a VPN Temporarily

VPN routing can sometimes interfere with carrier registration.

Temporarily disconnect your VPN and check whether the Wi-Fi Calling indicator appears.

You can turn the VPN back on afterward if it isn't causing the problem.

8. Update Your Phone

Install available Android, One UI or iOS software updates.

Carrier settings updates can also affect calling and network features.

9. Toggle Wi-Fi Calling Off and Back On

Disable Wi-Fi Calling, wait around 30 seconds and enable it again.

Give the phone a minute or two to register with your carrier.

10. Check the Correct SIM

If you're using dual SIM, make sure Wi-Fi Calling is enabled for your home carrier SIM, not just the local travel SIM.

11. Check Your Mobile Network

If you are intentionally using cellular service as a backup but mobile data isn't working, follow our mobile data not working with full signal troubleshooting guide.

Best Setup to Reduce the Risk of Roaming Charges

If your carrier supports Wi-Fi Calling internationally, this is a cautious setup to use while traveling:

Activate Wi-Fi Calling before leaving your home country.
Test it before departure.
Check your carrier's current international Wi-Fi Calling policy.
Disable data roaming on your home SIM.
Use a local SIM or travel eSIM for everyday mobile data if needed.
When making important home-country calls, connect to reliable Wi-Fi.
If you want to prevent cellular fallback, turn on Airplane Mode.
Turn Wi-Fi back on manually.
Wait for the Wi-Fi Calling indicator.
Only then make the call.

This setup significantly reduces the chance of accidentally making the call through a roaming cellular network.

Remember that the destination you're calling still matters. Wi-Fi Calling does not override your carrier's international long-distance pricing.

Should You Turn Off Data Roaming?

If you don't have an international roaming plan and intend to use Wi-Fi or a local SIM for data, turning off data roaming on your home SIM is usually a sensible precaution.

Otherwise, apps running in the background may potentially use the foreign cellular network when Wi-Fi disconnects.

That can include:

Email syncing
Cloud photo backup
App updates
Social media
Navigation
Messaging apps

For travelers using dual SIM, assign mobile data to the local SIM or travel eSIM instead.

Does Wi-Fi Calling Use a Lot of Internet Data?

Voice calls generally use relatively little data compared with video streaming or downloading files.

For most users, call quality and connection stability are more important than the total amount of Wi-Fi data consumed.

A weak or unstable Wi-Fi connection can cause:

Choppy audio
Delayed speech
Dropped calls
Failed Wi-Fi Calling registration

If you're troubleshooting a device that is also overheating while connected or charging, check our guide on how to fix a phone overheating while charging.

Is Public Wi-Fi Safe for Wi-Fi Calling?

Carrier Wi-Fi Calling typically uses protected carrier infrastructure, but that doesn't make every activity on public Wi-Fi risk-free.

When possible, prefer:

Your hotel or accommodation Wi-Fi
A trusted private network
Your own hotspot
A secured network with a password

Be more cautious with completely open public networks, especially when accessing banking, email or other sensitive accounts.

Wi-Fi Calling vs WhatsApp Calling: What's the Difference?

They both use the internet, but they are not the same service.

Wi-Fi Calling

Uses your normal mobile number.
Works through your phone's normal dialer.
Requires carrier support.
Can receive normal phone calls.
Billing follows your mobile carrier's rules.

WhatsApp, FaceTime and Similar Apps

Use an internet-based app.
Usually require the other person to use the same compatible service.
Use Wi-Fi or mobile data.
Do not normally use your carrier's traditional voice-calling network.

If your main goal is receiving normal calls to your existing phone number, carrier Wi-Fi Calling has a major advantage.

Important Warning About Emergency Calls

Emergency calling can behave differently when Wi-Fi Calling is used internationally.

Your carrier may use the emergency address registered when Wi-Fi Calling was activated, which may be in your home country rather than your current physical location.

Some carriers also explicitly restrict emergency Wi-Fi calls outside their home coverage areas.

For example, Rogers says emergency Wi-Fi calls outside Canada and the United States are not supported and recommends using a mobile network for emergency calls.

When traveling internationally, learn the local emergency number and use an appropriate local cellular network for emergency services whenever possible.

Frequently Asked Questions

Does Wi-Fi Calling work internationally?

It can. Whether Wi-Fi Calling works abroad depends on your mobile carrier, device and destination. Some carriers support international Wi-Fi Calling while others restrict it to their home country.

Can I use Wi-Fi Calling abroad without roaming charges?

Potentially. Some carriers allow calls back to your home country's numbers without an additional roaming charge when the call is made over Wi-Fi Calling. Calls to international numbers can still generate long-distance or roaming charges.

Does Wi-Fi Calling work in Airplane Mode?

Yes, on many compatible phones and carriers. Turn on Airplane Mode and then manually turn Wi-Fi back on. Once the phone registers with your carrier's Wi-Fi Calling service, supported calls can be placed through Wi-Fi.

Why should I use Airplane Mode with Wi-Fi Calling abroad?

Airplane Mode disables the normal cellular connection. Turning Wi-Fi back on afterward lets you use Wi-Fi without allowing the phone to fall back to a foreign cellular network during the call.

Will Airplane Mode make international Wi-Fi calls free?

No. Airplane Mode prevents cellular roaming, but your carrier can still charge for an international number called through Wi-Fi Calling.

Can people call my normal number while I'm overseas?

Yes, if your carrier supports international Wi-Fi Calling and your phone successfully registers with the service. The caller normally uses your regular phone number.

Can I receive verification codes abroad?

Possibly. Some carriers and devices support SMS through Wi-Fi Calling. However, SMS availability and verification-code delivery depend on the carrier and the service sending the code.

Should I turn off data roaming when using Wi-Fi Calling?

If you don't intend to use your home carrier's international mobile data, turning off data roaming is a useful precaution against accidental cellular data usage.

Can I use a local SIM and keep my home number?

Yes, on compatible dual-SIM phones. You can keep your home SIM/eSIM active for your regular number while using a local SIM or travel eSIM for mobile data.

Why doesn't Wi-Fi Calling appear in my phone settings?

Your carrier may not support the feature, your device may not be approved, your current plan may not include it, or your SIM may not be properly provisioned. Contact your mobile provider if the setting is completely missing.

Why does Wi-Fi Calling work at home but not abroad?

Your carrier may restrict international Wi-Fi Calling, the Wi-Fi network you're using may block the required connection, or your phone may be preferring the roaming cellular network. Check your carrier policy first, then try Airplane Mode with Wi-Fi enabled.

Can I use hotel Wi-Fi for Wi-Fi Calling?

Usually, provided the hotel's internet connection allows the required network traffic and is stable enough. Some hotel or public networks may prevent Wi-Fi Calling from registering.

Is Wi-Fi Calling the same as making a WhatsApp call?

No. Wi-Fi Calling is provided by your mobile carrier and normally uses your regular phone number and dialer. WhatsApp is a separate internet-based communication service.

More Helpful Phone and Wi-Fi Guides

If you're troubleshooting mobile connectivity, you may also find these SimpleTechSolve guides useful:

Final Thoughts

Wi-Fi Calling can be one of the most useful smartphone features for international travelers.

When your carrier supports it, you may be able to keep using your normal phone number, receive important calls and contact numbers back home without depending entirely on an expensive roaming connection.

The safest approach is to prepare before traveling:

Enable Wi-Fi Calling before departure.
Test it while still at home.
Test Airplane Mode + Wi-Fi Calling.
Check your carrier's international rules.
Turn off home-SIM data roaming if you don't need it.
Consider a local SIM or travel eSIM for everyday data.
Confirm the Wi-Fi Calling indicator before making important calls.

Most importantly, remember that Wi-Fi Calling abroad and free international calling are not the same thing. Your carrier's rules determine what you'll actually be charged.

Once you understand those rules and configure your phone correctly, Wi-Fi Calling can be an excellent way to stay reachable while traveling without unnecessarily paying for cellular roaming.