Tele2 Wi-Fi Calling: How to Connect and Use in 2026

Technology Wi-Fi Calling from Tele2 Allows you to make calls and send SMS messages over the internet, even if your mobile network is unavailable. This is especially useful in areas with poor coverage, such as basements, shopping malls, or outside the city, where the carrier's signal is weak. But how do you properly activate this feature to ensure it works reliably? In this article, we'll cover all the steps: from checking your phone's compatibility to troubleshooting common errors.

It is important to understand that Wi-Fi Calling — it’s not just an alternative to VoIP calls (like WhatsApp or Skype). This is the operator's official service, integrated into the standard phone interface. Calls are charged as usual, and connection quality depends on your Wi-Fi speed. Before setting up, make sure your smartphone supports the technology and your plan. Tele2 does not block it.

What is Wi-Fi Calling and why is it needed?

Wi-Fi Calling (or VoWiFi) is a communications standard that transmits voice calls and SMS messages over the internet instead of cell towers. Its main advantage: you stay connected even in areas without a mobile signal but with a stable Wi-Fi connection. For example:

• 🏢 In office buildings with thick walls, where the signal Tele2 "doesn't get through."
• 🚇 In the metro (if the station supports Wi-Fi).
• 🌲 At a dacha or in a village where the operator's towers are far away.
• ✈️ At some airports and hotels abroad (if roaming is disabled).

The subscriber number remains the same, and outgoing calls appear as normal calls—without any add-ons or additional apps. Another advantage: Wi-Fi Calling does not consume mobile internet traffic, as it uses a Wi-Fi connection.

However, there are also limitations:

• 📵 Doesn't work without internet (if Wi-Fi is disconnected, the call will be interrupted).
• 🔒 Requires carrier and smartphone support.
• 📡 Connection quality depends on the speed and stability of your Wi-Fi.

Requirements for connecting Wi-Fi Calling on Tele2

Before setting up Wi-Fi Calling, check if your equipment and tariff meet the conditions Tele2Here are the key requirements:

Important: On Android smartphones, this feature may be blocked by the manufacturer even if VoWiFi is supported. For example, some models Xiaomi And Huawei require manual activation through the engineering menu.

To check your phone's compatibility, go to Settings and look for the option Wi-Fi Calling or Wi-Fi callingIf it's not there, your device likely doesn't support the technology. You can also check the list of compatible models on the website. Tele2 (section "Services → Wi-Fi Calling").

⚠️ Attention: Tele2 We periodically update the list of supported devices. If your model was released before 2019, please check the latest information in your personal account or by contacting customer support.

Step-by-step instructions: how to set up Wi-Fi Calling on iPhone

On iPhone setting Wi-Fi Calling It takes no more than a minute. Follow the instructions:

1. Open Settings → Cellular communications.
2. Select Wi-Fi Calling (on some versions of iOS the item is called Wi-Fi calling).
3. Activate the switch Wi-Fi Calling on this iPhone.
4. Confirm your emergency address (this is entered automatically, but can be edited).
5. Restart your phone for the changes to take effect.

After activation, the following message will appear in the status bar next to the operator's name: Tele2 Wi-Fi or icon 📶 with the telephone receiver. This means that the function is working.

Make a test call via Wi-Fi (turn off your mobile network) | Make sure the Wi-Fi Calling icon is in the status bar | Check that outgoing calls are not made via instant messaging apps | Restart your phone after setup -->

If the item Wi-Fi Calling missing from settings:

• 📱 Update iOS to the latest version.
• 🔄 Reinstall your carrier profile: Settings → General → About → Mobile operator.
• 📋 Check that the SIM card is activated and not blocked.

How to set up Wi-Fi Calling on an Android smartphone

On Android The connection process depends on the phone manufacturer and firmware version. The general process looks like this:

1. Open Settings → Network and Internet (or Connections).
2. Select Mobile network → Additionally (on some phones the item is called Wi-Fi calling).
3. Activate the switch Wi-Fi Calling or VoWiFi.
4. Select operating mode:
   • Wi-Fi only — calls are made only via the Internet.
   • Wi-Fi is preferred — the smartphone itself chooses the best channel.
   • Mobile network is preferred — Wi-Fi is used only when there is no signal.

Please confirm your address for emergency services (if required).

Restart your phone.

On some devices (eg. Samsung Galaxy) After activation, a notification about successful connection will appear. Xiaomi or Realme Additional settings may be required in the engineering menu (look for instructions for specific models on the forums).

⚠️ Note: On Android smartphones with two SIM cards Wi-Fi Calling It can only work on one of them. Select the primary SIM card in the mobile network settings.

If calls do not go through after activation:

• 🔄 Update your operator settings: Settings → Mobile networks → Access point names (APNs) → click Factory reset.
• 📋 Check that the Wi-Fi mode is disabled in the settings Saving traffic.
• 🔧 Reset network settings: Settings → System → Reset → Reset Wi-Fi, mobile network, and Bluetooth settings.

What should I do if there is no Wi-Fi Calling option on Android?

On some phones (especially Chinese brands), this feature is hidden. Try this:

1. Install the latest firmware via official software (for example, Mi Flash For Xiaomi).

2. Enter the code in the dialer ##4636##, choose Phone information and turn on Wi-Fi Calling provisioning.

3. Contact support Tele2 for manual activation (you will need your phone's IMEI).

Checking Wi-Fi Calling and Testing the Connection

After setting it up, make sure the feature works correctly. Here's how:

1. Connect to Wi-Fi and turn off your mobile network (Airplane mode with Wi-Fi enabled).
2. Call another number (for example, a landline or a second operator).
3. Check:
   • 📞 The call goes through without a hitch.
   • 🔊 The sound quality is clear and interference-free.
   • ⏱ The connection delay does not exceed 2–3 seconds.
   • 📶 The Wi-Fi Calling icon is displayed in the status bar.

Send an SMS - it should go through without errors.

If the call does not go through:

• 🔌 Check your Wi-Fi connection (speed should be at least 1 Mbps).
• 📵 Make sure that the mobile network is actually turned off (otherwise, the phone may use it instead of Wi-Fi).
• 🔄 Restart your router and phone.

For more detailed diagnostics:

• 📊 Use apps like Network Cell Info Lite (Android) or Field Test Mode (iPhone) to check which channel the call is going through.
• 📡 Ping the servers Tele2 (For example, ping 8.8.8.8 in the terminal) - if packets are lost, the problem is in your Wi-Fi.

Common problems and their solutions

Even after proper setup Wi-Fi Calling Failures may occur. Let's look at typical errors and how to fix them:

If none of the methods helped, please contact support. Tele2 by number 611 (free) or via chat in your personal account. When contacting, please specify:

• Phone model and firmware version.
• Tariff plan.
• Description of the error (e.g. "call drops after 10 seconds").

How to disable Wi-Fi Calling on Tele2

If a function is no longer needed or is interfering (for example, due to poor connection quality), it can be deactivated:

On iPhone:

1. Go to Settings → Cellular → Wi-Fi Calling.
2. Turn off the switch.
3. Confirm the action.

On Android:

1. Open Settings → Mobile Network → Wi-Fi Calling.
2. Select Disable or move the slider to the position Off
3. If necessary, restart your phone.

Once disabled, calls will only be made via the mobile network. Please note that on some plans Tele2 The service is activated automatically when you update your operator settings. If it reactivates automatically, please contact support to deactivate it completely.

FAQ: Answers to frequently asked questions

Can I use Wi-Fi Calling abroad?

Yes, but with some reservations:

• 🌍 Calls will be charged as outgoing calls from Russia (unless roaming is enabled).
• 📡 A Wi-Fi connection is required (local networks may block VoIP traffic).
• 💰 Check international call rates in your personal account Tele2.

Do Wi-Fi Calling connections get corrupted?

Quality depends on internet speed:

• 🎧 At speeds of 5+ Mbps, the sound is clear and interference-free.
• 📉 At 1–2 Mbps, delays and interruptions are possible.
• 🚫 If the connection speed is <1 Mbps, the connection will be unstable.

For best quality, use a router that supports 802.11ac (5 GHz) and disable background downloads.

Can I use Wi-Fi Calling without a SIM card?

No. The service requires an active SIM card. Tele2, even if calls are made over the internet. Without a SIM card, this feature will be unavailable.

How much does Wi-Fi Calling cost on Tele2?

The service is free. Calls and SMS are charged according to your plan, just like regular calls.

Why isn't there Wi-Fi Calling on my phone?

Possible reasons:

• 📱 The device does not support the technology (check the list of compatible models).
• 🔄 Outdated firmware version (update software).
• 📵 The operator has not activated the service for your number (call support).
• 🌐 Regional restrictions (in some areas Tele2 (haven't launched VoWiFi yet).