Wi-Fi Calling: How Russian Operators Charge Calls and How to Avoid Overpaying

Technology Wi-Fi calls VoWiFi has become a standard feature of modern smartphones, but many users still don't understand how carriers charge for these calls. Some believe Wi-Fi calls are always free, others worry about hidden fees, and still others encounter unexpected charges. In reality, the rules depend on your carrier, your data plan, and even where you are when making the call—at home, roaming, or abroad.

In this article we will take a detailed look at how MTS, Beeline, Megafon and Tele2 We'll calculate VoIP call charges in 2026, compare rates, explain the nuances of roaming and international calls, and offer practical tips on how to avoid overpayments. We'll pay special attention to situations where a call may unexpectedly incur charges—for example, when switching between Wi-Fi and a mobile network or when using third-party messaging apps.

If you frequently make Wi-Fi calls but aren't sure whether they're deducting minutes from your plan, this article will help you figure it out. We also tested real-world scenarios (for example, a call from iPhone 15 Pro on Samsung Galaxy S23 (through different networks) and collected up-to-date data on pricing, which operators do not always advertise.

1. How does VoWiFi technology work and why do operators charge different rates?

VoWiFi (Voice over Wi-Fi) is a communications standard that allows voice calls to be made over a wireless network instead of traditional cell towers. The technology is built into most modern smartphones (starting with iPhone 6s And Android 9+) and is supported by all major Russian operators. However, the key difference from regular calls is the pricing method.

When you make a call over Wi-Fi, the signal first travels through your internet service provider (e.g. Rostelecom or Dom.ru), and then enters the mobile operator's network. This is where the nuances begin:

• 📡 The operator sees the call as "his own" - If you use Wi-Fi at home or in the office, but are connected to the network of the same operator as your tariff (for example, you make calls via Wi-Fi) MTS, being a subscriber MTS). In this case, minutes from the package are usually deducted.
• 🌍 The call goes into roaming — If you're connected to someone else's network (for example, Wi-Fi in a cafe or abroad), your operator may consider it an international or roaming connection.
• 💰 Third-party services are used - calls through WhatsApp, Viber or Skype are charged according to different rules (usually free, but traffic is deducted from the Internet package).

The main paradox: Even if you're calling over Wi-Fi in Russia, your operator may consider the call as roaming if your smartphone "incorrectly" determines your location.This most often happens with devices purchased abroad or when using a VPN.

2. VoWiFi pricing for Russian operators: a comparative table

We analyzed the official tariffs MTS, Beeline, Megafon and Tele2 as of June 2026 and compiled a summary table. Important: Rules may vary for corporate plans, special offers, or regional packages.

Please note: Megaphone And Beeline Wi-Fi calls while roaming can be cheaper than regular roaming calls over a mobile network. But MTS And Tele2 They are often equated to standard tariffs.

⚠️ Attention: If you use dual-SIM smartphone (for example, Xiaomi Redmi Note 12), VoWiFi can only work with the primary SIM card. Check the settings in Settings → SIM cards & mobile networks → Wi-Fi calling.

3. When Wi-Fi calls become paid: 5 non-obvious cases

Even if you're sure you're calling over Wi-Fi, your carrier may charge you under different rules. Here are typical situations where this happens:

• 🔄 Switching between Wi-Fi and mobile networkIf your Wi-Fi connection is interrupted during a call (for example, if you leave your router's coverage area), your carrier may automatically transfer the call to 4G/5G and charge you for roaming minutes.
• 🌐 Using a VPN or proxySome operators (eg. MTS) block VoWiFi if they detect VPN traffic. In this case, the call may go through the mobile network.
• 📱 Incompatible smartphoneOn older models (for example, iPhone 6 or Samsung Galaxy S8) VoWiFi works unstable, and the operator may charge the call as a regular one.
• 🏢 Corporate or virtual numbersIf you call an 8-800 number or a short service number, VoWiFi may not work, and you will be charged at special rates.
• 🛫 Call from the planeEven if the salon has Wi-Fi, the operator may consider such a call as a roaming call (costing from 100 ₽/min).

The most insidious scenario: if you're calling via Wi-Fi in Russia, but your smartphone "thinks" you're abroad (for example, due to a geolocation error), your carrier will charge you as an international call, even though you never physically left the country. This is relevant for border regions (Kaliningrad, Sochi, Far East).

Disable your VPN before making a call.

Check your geolocation in your smartphone settings.

Use only trusted Wi-Fi networks

Follow your operator's notifications about pricing

Update your smartphone firmware to the latest version-->

4. VoWiFi vs. Messengers: Which is Better for International Calls?

Many users believe that calls through WhatsApp, Viber or Telegram They're always free, but that's not entirely true. Yes, the calls themselves aren't charged by the operator, but:

• 📶 Traffic is deducted from your Internet package (a call in HD quality "eats" up to 1.5 MB/min).
• 🔋 Messengers drain battery more than native VoWiFi.
• 🔒 The quality of the connection depends on the messenger servers (for example, Viber often lags during rush hours).

Let's compare the cost of minutes when calling from Russia to popular countries:

Conclusion: for calls to CIS countries it is more profitable to use VoWiFi from Megafon, and for Europe - Skype or instant messengers (if you have unlimited internet).

5. How to enable and configure VoWiFi on iPhone and Android

By default, Wi-Fi calling is disabled on most smartphones. Here are step-by-step instructions for enabling it:

On iPhone (iOS 16+):

1. Open Settings → Phone → Wi-Fi Calling.
2. Turn on the switch Wi-Fi calling on this iPhone.
3. Select mode: Wi-Fi is preferred or Mobile network is preferred.
4. If necessary, enter your emergency address (required for some carriers).

On Android (using the Samsung Galaxy S23 as an example):

1. Go to Settings → Connections → Mobile networks → Wi-Fi calling.
2. Activate the function and select the mode: Wi-Fi only, Wi-Fi is preferred or Mobile network is preferred.
3. If required by the operator, please provide an address for emergency services.

Once activated, an icon will appear in the status bar. Wi-Fi Calling or VoWiFiIf it is not there, check:

• 📶 Check with your operator to see if your tariff supports this feature.
• 🔄 Is your smartphone firmware updated to the latest version?
• 📱 Is your phone model compatible? (A list of supported devices is available on the operator's website.)

⚠️ Attention: On some smartphones (eg. Huawei P40 (Without Google services) VoWiFi may not work due to missing certificates. In this case, use instant messaging apps.

Why might an operator block VoWiFi?

If you frequently make Wi-Fi calls from different countries, your carrier may consider this fraudulent and temporarily disable the feature. Blocking also occurs if they suspect you're using virtual numbers or SIM boxes. In this case, you'll need to call support and verify your identity.

6. How to save on Wi-Fi calls: 7 working methods

Even if VoWiFi charges minutes from your package, there are ways to reduce costs:

• 📞 Use minute packages. Connect a tariff with unlimited calls (for example, "All Inclusive" from Tele2 or "Tariff plan X" from Megaphone).
• 🌍 Special options for abroad. U Beeline There is "Wi-Fi Roaming" for 199 ₽/week with unlimited calls to 30 countries.
• 🔄 Disable automatic switching to mobile networkIn the VoWiFi settings, select the mode Wi-Fi onlyto prevent the call from switching to 4G when the signal is weak.
• 📶 Check your geolocationBefore making a call, disable your VPN and make sure your smartphone is correctly detecting your location.
• 📱 Update your firmwareVoWiFi stability has been improved in new versions of iOS and Android.
• 🏠 Use your home Wi-FiCalls made through your router are usually charged as local calls, even if you're roaming.
• 💬 For international calls - messengersIf you have unlimited internet, WhatsApp or Telegram will be cheaper.

The most reliable way to avoid unexpected charges is check your balance before and after a callAll operators have USSD commands for this:

• MTS: *100#
• Beeline: *102#
• Megaphone: *100#
• Tele2: *105#

7. Common VoWiFi Problems and How to Fix Them

Users often encounter Wi-Fi calling that doesn't work or works intermittently. Here are the issues and their solutions:

Problem 1: VoWiFi won't turn on

• 📱 Make sure your smartphone supports this feature (the list of models is available on the operator's website).
• 🔄 Restart your phone and router.
• 📶 Check if you are connected to Wi-Fi (sometimes your smartphone shows a connection, but the internet is not working).

Problem 2: The call drops or the connection quality is poor

• 📶 Reconnect to a different Wi-Fi network (the current one may be overloaded).
• 🔋 Close background applications that consume internet (for example, YouTube or TikTok).
• 📞 Try switching to a mobile network (sometimes 4G is more stable than poor Wi-Fi).

Problem 3: The operator charges me for roaming, even though I'm in Russia.

• 🌍 Check your geolocation settings: disable your VPN and make sure your smartphone is set to the correct country.
• 📱 Update your firmware—location errors have been fixed in new versions.
• 💬 Contact your carrier's support team and request a recalculation (include screenshots proving your location).

If nothing helps, try resetting the network settings on your smartphone:

On Android: Settings → System → Reset → Reset Wi-Fi, mobile network, and Bluetooth
On iPhone: Settings → General → Transfer or reset iPhone → Reset → Reset Network Settings

⚠️ Attention: After resetting your network settings, you'll need to re-enter your Wi-Fi passwords and set up VoWiFi. Be sure to back up any important information beforehand.

FAQ: Answers to frequently asked questions about Wi-Fi calling

Is it possible to make calls over Wi-Fi without a SIM card?

No, VoWiFi requires an active SIM card from a carrier that supports it. Without a SIM card, calls are only possible via messaging apps (WhatsApp, Viber, etc.).

Why isn't VoWiFi working on my smartphone?

The reasons may be different:

• Your phone does not support VoWiFi (check the list of compatible models with your operator).
• Outdated firmware (update iOS/Android to the latest version).
• The operator has not activated the function for your number (call support).
• You are using a corporate or virtual SIM card (VoWiFi is often disabled for such tariffs).

Are minutes deducted for incoming calls over Wi-Fi?

Yes, incoming calls via VoWiFi are deducted from your minutes plan, just like outgoing calls (unless you have an unlimited plan). The exception is some corporate plans, where incoming calls are free.

Is it possible to make calls via Wi-Fi on a plane?

Technically yes, but:

• Many airlines block VoWiFi during flights.
• The operator may consider such a call as a roaming call (price - from 100 ₽/min).
• The connection quality will be poor due to interference.

It is better to use instant messengers with offline mode (for example, record a voice message in Telegram and send after landing).

How do I know if a call is being made via Wi-Fi and not a mobile network?

There are several signs:

• An icon has appeared in the status bar Wi-Fi Calling or VoWiFi.
• In the phone settings, under the "Mobile network" section, an active Wi-Fi call is displayed.
• If you turn off the mobile network (Airplane mode with Wi-Fi turned on), the call still goes through.