Wi-Fi Calling on Samsung: How to Make Internet Calls Without a SIM Card

Wi-Fi calling on smartphones Samsung — is a technology that allows voice calls to be made over the internet instead of a traditional cellular network. This feature is especially useful in areas with poor mobile coverage but stable Wi-Fi: basements, country houses, or even abroad, where roaming is expensive. Unlike messaging apps like WhatsApp or Telegram, Wi-Fi Calling It is integrated into the standard Phone application and does not require installation of additional programs.

The technology is supported by most modern devices. Samsung Galaxy (starting with 2018–2019 models), but its operation depends not only on the smartphone but also on the telecom operator. In Russia, Beeline is actively promoting the feature. MTS, MegaFon and Tele2, however, connection conditions and pricing may vary. In this article, we'll look at how to enable and set up Wi-Fi calling on Samsung, which models support the function, and what to do if the connection doesn't work.

What is Wi-Fi Calling and how does it work on Samsung?

Wi-Fi Calling (or VoWiFi Voice over Wi-Fi is a communications standard that allows voice calls to be transmitted over an internet connection instead of cell towers. The technology uses the protocol IMS (IP Multimedia Subsystem), which provides high-quality sound and fast connection setup. Its main advantage is the ability to make calls in areas where cellular coverage is unavailable or weak, but Wi-Fi is available.

On smartphones Samsung The function is implemented at the firmware level and works through the standard "Phone" app. This means that:

• 📞 Numbers are displayed as regular incoming/outgoing calls (not as internet calls from messengers).
• 🔄 Switching between Wi-Fi and cellular networks occurs automatically if the mobile signal is restored.
• 📶 No SIM card required for operation (if supported by the operator) eSIM or virtual numbers).
• 💰 Calls are charged according to your mobile plan (free within your minutes package).

It is important to understand that Wi-Fi Calling - it's not the same as calling through Skype or ViberThere's no link to a messenger account: you call from your phone number, and the caller sees your regular caller ID. The feature also supports SMS transmission over Wi-Fi (if your carrier supports it).

Which Samsung models support Wi-Fi calling?

Function Wi-Fi Calling available on most flagship and mid-range smartphones Samsung, released after 2018. However, its availability depends not only on the model, but also on:

• 📱 Firmware versions (Android 9.0 Pie and newer).
• 📡 Support from your telecom operator (not all Russian providers provide this service).
• 🌍 Region of purchase of the device (on some export models, this function may be disabled).

Here is a list of popular series Samsung Galaxy, which officially support Wi-Fi Calling:

To find out for sure whether yours supports Samsung Wi-Fi Calling, check the availability of the item Wi-Fi calling in the settings. If it's not there, update your firmware to the latest version or check with your carrier to see if they offer this service for your plan.

⚠️ Attention: On some models purchased abroad (for example, Galaxy S23 (For the US or Europe), the function may be blocked due to regional restrictions. In this case, updating the firmware to the Russian version will help (but this will void the warranty).

How to Enable Wi-Fi Calling on Samsung: Step-by-Step Instructions

Activate Wi-Fi calling on Samsung It can be done in a few steps. The process varies slightly depending on the version. Android and shells One UI, but the general diagram is the same. Below is a universal instruction for most models.

Turn on Wi-Fi and connect to the network

Make sure your SIM card is active (or eSIM is configured)

Update your firmware to the latest version

Check your tariff balance (this service may be paid) -->

Step 1: Open the app Settings and go to the section Connections (or Network and Internet (on older versions).

Step 2: Select an item Wi-Fi calling (on some models it is hidden in Mobile Network → More). If the item is not there, try the path:

Settings → Apps → Phone → Wi-Fi Calling

Step 3: Activate the switch Wi-Fi callingThe system may request confirmation via SMS or a device reboot.

Step 4. Once activated, an icon will appear in the status bar. Wi-Fi Calling (usually it's a handset with a Wi-Fi symbol). Now you can make calls over the internet.

If the function does not turn on, check:

• 🔌 Connect to Wi-Fi (networks without internet access will not work).
• 📶 Availability of a mobile network signal (even if it is weak, some operators require it for authorization).
• 🔄 Firmware updates (go to Settings → Software Update).

⚠️ Attention: On some tariffs, operators block Wi-Fi Calling For international calls. Check with your provider to avoid unexpected charges.

Setting up Wi-Fi Calling for different operators (MTS, Beeline, MegaFon, Tele2)

Although technology Wi-Fi Calling While it's standardized, each telecom operator in Russia configures it differently. Below are connection details for the four largest providers.

MTS:

• 📱 Supports most models Samsung (starting from Galaxy S8).
• 💰 Included in the tariff's minutes package (free for subscribers with an active SIM card).
• 🔧 Activation: automatically when the function is enabled in the smartphone settings.

Beeline:

• 📱 Powered by Galaxy S20 and newer, as well as on the series Galaxy A (A52, A72, etc.).
• 💰 It is charged as a regular call (within a package or at the rate of 1.5 rubles/min).
• 🔧 Requires prior activation via USSD command: *110*181#.

Megaphone:

• 📱Available on flagships Samsung (S21, S22, S23) and some models of the series A (A53, A73).
• 💰 Free calls within your minutes package; roaming rates apply abroad.
• 🔧 You may need to update your network settings: *505#.

Tele2:

• 📱 Limited support: only Galaxy S22/S23 And Galaxy A54/A73.
• 💰 Calls are charged as regular calls, but without any extra charges.
• 🔧 Activation via your personal account or by calling support.

If your carrier is not listed, please contact support. Wi-Fi Calling from him directly. Some regional providers (for example, Motiv or Yota) are also starting to implement the technology, but their list of supported devices is already there.

Common Wi-Fi Calling Problems on Samsung and Their Solutions

Even if the feature is activated, users Samsung You may encounter difficulties, ranging from a missing status bar icon to disconnected connections. Let's look at common errors and how to fix them.

Problem 1: The Wi-Fi Calling icon does not appear

• 🔄 Restart your smartphone.
• 📶 Check if your mobile network is turned on (even if the signal is weak).
• 🔧 Update your operator settings: ##4636## → Phone information → Update profile.

Problem 2: Calls are dropped or not connected

• 📶 Check your Wi-Fi stability (reconnect to the network or reboot your router).
• 🔕 Disable your VPN or proxy - they may be blocking IMS-traffic.
• 🛠️ Reset network settings: Settings → General Management → Reset → Reset Network Settings.

Problem 3: The other person does not hear you or hears you intermittently

• 🎧 Try using a headset or speaker.
• 📡 Move closer to the router or connect to a 5 GHz network (if supported).
• 🔇 Turn off noise cancellation in call settings.

Issue 4: The feature is unavailable after updating

• 🔄 Roll back to the previous firmware version (if the update "broke" the function).
• 📥 Install the latest beta version One UI (if available).
• 📧 Contact support Samsung with error logs (how to get them - see below).

If none of the methods helped, Check if your carrier has blocked Wi-Fi Calling for your plan or region.For example, some corporate SIM cards do not support this feature by default.

How to obtain error logs for contacting Samsung support

1. Enable developer mode: Settings → About phone → Build number (press 7 times).

2. Return to Settings → Developer → Enable error logging.

3. Reproduce the problem (for example, try to make a call).

4. Save the logs via Settings → Developer → Report a bug.

Wi-Fi Calling vs. VoLTE: What's the Difference and Which is Better?

Users Samsung often confused Wi-Fi Calling And VoLTE (Voice over LTE) is another technology for voice communications over the internet. Although both use IP protocols, they have key differences:

So which is better? The answer depends on your circumstances:

• 🏠 Wi-Fi Calling It is a winner in places with a weak mobile signal but good Wi-Fi (for example, in a country house or an office with thick walls).
• 📡 VoLTE Preferably on the road where there is no Wi-Fi access, but there is a stable 4G/5G.

On the majority Samsung Both functions can be used simultaneously. For example, the smartphone will automatically switch from Wi-Fi Calling on VoLTE, if you go out of range of the router.

Security and privacy when making Wi-Fi calls

One of the main questions from users Samsung is security Wi-Fi CallingAfter all, voice traffic is transmitted over the internet, meaning it can theoretically be intercepted. However, the technology utilizes several layers of protection:

• 🔐 IMS encryption: All data is transmitted via secure channels (protocol SRTP).
• 🛡️ Operator authentication: The connection goes through the provider's server, which eliminates number substitution.
• 🌐 Secure Wi-Fi networks: It is recommended to use networks with a password (WPA2/WPA3).

However, there are a few nuances:

• 🕵️ In public Wi-Fi (cafes, airports), interception of traffic is theoretically possible, but without decryption it is useless.
• 📍 The operator sees your location via your Wi-Fi IP address, but cannot track your movements more accurately than to the city level.
• 🔄 Switching between Wi-Fi and cellular networks may cause a brief leak of metadata (but not conversation content).

For maximum privacy:

• 🔒 Use a VPN (but make sure it doesn't block IMS-traffic).
• 📵 Turn it off Wi-Fi Calling on social networks if you call about sensitive issues.
• 🔄 Update your firmware regularly Samsung (vulnerabilities are fixed in new versions).

⚠️ Attention: Some banks and services (for example, Sberbank Online or Government services) may block access when used Wi-Fi Calling Due to a changed IP address. In this case, temporarily disable the feature.

FAQ: Frequently asked questions about Wi-Fi calling on Samsung

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

Yes, but only if your operator supports it. eSIM or virtual numbers. For example, MTS And Beeline allow you to activate Wi-Fi Calling on Samsung With eSIM, even if a physical SIM card is missing. However, most users will still need an active SIM card for authorization.

Will Wi-Fi Calling work abroad?

Yes, but the pricing depends on the operator. For example, Megaphone And MTS such calls are charged as local ones (if you are connected to a Russian tariff), and Beeline Roaming charges may apply. Check with your provider before traveling.

Why doesn't my Samsung have Wi-Fi Calling?

There are several reasons:

1. Outdated model (produced before 2018).
2. The firmware is not updated (check in Settings → Software Update).
3. The operator does not support this function for your tariff.
4. Regional restrictions (for example, the smartphone was purchased for the US or European market).

Try manually updating network settings via code ##4636##.

Is it possible to call numbers in other countries using Wi-Fi Calling?

Yes, but you will be charged according to your carrier's international calling rules. For example, a call to a number in Kazakhstan will Wi-Fi Calling will cost the same as through a regular cellular network. Some operators (for example, Tele2) offer special packages for international calls via Wi-Fi.

How to disable Wi-Fi Calling on Samsung?

Go to Settings → Connections → Wi-Fi Calling and deactivate the switch. You can also disable the function through the quick settings menu (swipe down from the top of the screen → icon Wi-Fi Calling).