Wi-Fi Calling on Samsung: What is this feature and how does it work with Beeline in 2026?

Have you ever noticed on your Samsung Galaxy Did you see the "Wi-Fi Call" message during a call? Or did you suddenly find that your calls are going through the internet, even though your mobile network is working reliably? This feature has become standard on most modern smartphones, but its operating principles and connection nuances are somewhat unclear. Beeline remain a mystery to many users.

In this article we will take a detailed look at what it is. Wi-Fi calling (Wi-Fi Calling), how they interact with the operator's network Beeline, and why yours Samsung can automatically switch to this mode. You'll also learn how to enable or disable the feature, which plans support it, and what to do if Wi-Fi calling isn't working. We'll focus on common issues, from a missing status bar icon to problems switching between networks.

If you frequently make calls from locations with poor coverage (such as a basement, the countryside, or an office with thick walls), this technology can be a lifesaver. But there are some pitfalls, from increased battery drain to potential roaming issues. Let's take a closer look.

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

Wi-Fi Calling (or "Wi-Fi calling") is a technology that allows you to make voice calls and send SMS messages over the internet instead of a cellular network. It's integrated into the firmware. Samsung Galaxy (starting with models S8/S8+ and newer) and is supported by most Russian operators, including Beeline.

The main advantage is a stable connection where the mobile network signal is weak or absent. For example:

• 🏢 In office buildings with thick walls, where 4G/5G doesn’t penetrate.
• 🏡 In basements, garages or country houses with poor coverage.
• 🌍 While roaming (if your operator supports this option).

It is important to understand that Wi-Fi calling is not a replacement for VoIP apps like WhatsApp or Skype.This is a full-fledged telephone connection: your caller will see your regular number, and the operator will charge the call as a standard call (according to your plan or minute package). The only difference is the data channel: instead of base stations, your home or office Wi-Fi is used.

On Samsung The function is activated automatically if:

• 📶 The device supports Wi-Fi Calling (see the list of models below).
• 📱 The corresponding switch is enabled in the settings.
• 🌐 The Wi-Fi connection is stable (speed from 1 Mbps).
• 📡 Operator (in our case Beeline) supports the technology for your tariff.

How Wi-Fi Calling Works on Beeline: Technical Details

On Beeline technology Wi-Fi Calling works according to the standard IMS (IP Multimedia Subsystem). This means that voice traffic is transmitted over the internet but managed by the operator, just like a regular call. Here are the key points:

1. Call routing. When you make a call, your smartphone first tries to connect via cellular. If the signal is weak (e.g., 1-2 bars), the device automatically switches to Wi-Fi. This:

• 🔄 Switching between networks is smooth (if supported) eSRVCC).
• 📞 A "Wi-Fi" icon appears on the screen next to the name of the person you're talking to.
• 🔋 Battery consumption may increase by 5-15% when using Wi-Fi and mobile networks simultaneously.

2. Tariff requirements. On Beeline Wi-Fi Calling is available for free for most tariffs, except:

• 📵 Prepaid plans with no monthly fee (for example, "Simply Black").
• 🏷️ Outdated corporate tariffs (check in your personal account).

3. Limitations. There are some nuances that need to be mentioned Beeline does not always warn:

⚠️ Attention: If you use Samsung With two SIM cards, Wi-Fi Calling will only work for the SIM card that is selected for voice calls by default (Settings → Connections → SIM Card Manager).

Which Samsung models support Wi-Fi Calling?

The function is available on all flagship and most mid-range models. Samsung Galaxy, released after 2017. Here is the full list of supported series:

• 📱 Galaxy S: S8/S8+, S9/S9+, S10/10+/10e, S20/S20+/S20 Ultra, S21/S21+/S21 Ultra, S22/S22+/S22 Ultra, S23/S23+/S23 Ultra.
• 📱 Galaxy Note: Note 8, Note 9, Note 10/10+, Note 20/20 Ultra.
• 📱 Galaxy A: A50 and newer (A51, A52, A53, A54, A71, A72, A73).
• 📱 Galaxy Z (folding): Z Flip, Z Flip 3/4/5, Z Fold 2/3/4/5.
• 📱 Galaxy M: M31, M51, M52, M53, M62.

For budget models (Galaxy A10/A20/A30 Support for Android (and older) depends on the firmware version. You can check compatibility as follows:

1. Open Settings → Connections → Wi-Fi Calling.
2. If the item is missing, your model does not support the function.

Important: On some devices (eg. Galaxy A50) the option may be hidden. To activate it, update the firmware to the latest version or use ##4636## (engineering menu) - but it's risky without experience!

How to check the firmware version?

Open Settings → About phone → Software version. The last digit (for example, XXU3BUK5) is the firmware version. Recent updates usually add support for new features.

Step-by-step instructions: how to enable Wi-Fi calling on Samsung

You can activate the feature in 30 seconds. Follow the instructions:

1. Step 1. Open Settings (gear icon).
2. Step 2. Go to the section Connections (or "Wireless Networks" on older models).
3. Step 3. Select Wi-Fi calling (on some firmware versions - Advanced Settings → Wi-Fi Calling).
4. Step 4. Turn on the switch. If prompted for confirmation, agree.
5. Step 5. Enter the emergency call address (usually automatically filled in) 112).

Once activated, a Wi-Fi icon with a handset (📞) will appear in the status bar. If you don't see it, check:

Are you connected to Wi-Fi?

Is mobile network turned on (not airplane mode)?

Does your Beeline tariff support Wi-Fi Calling?

Is your phone firmware updated?

On some models (Galaxy S20 and newer) there is an option Prefer Wi-Fi when callingIf enabled, your smartphone will always use the internet for calls, even with a good network signal. This is useful in offices with poor coverage, but can lead to problems with roaming.

⚠️ Attention: If calls stop working completely after enabling the feature, check if your router is blocking them. Some corporate networks restrict UDP port 500 And 4500, required for Wi-Fi Calling.

Common problems and their solutions

Even if everything is configured correctly, users Samsung on Beeline Sometimes we encounter errors. Let's look at the most common ones:

1. Calls do not go through Wi-Fi, although the function is enabled.

• 🔄 Solution: Restart your phone and router. Sometimes resetting network settings helps (Settings → General Management → Reset → Reset Network Settings).
• 📶 Cause: Weak Wi-Fi signal (speed below 1 Mbps) or blocked ports on the router.

2. The other person hears an echo or interruptions.

• 🔊 Solution: Turn it off Prefer Wi-Fi when calling and let the phone automatically select the network.
• 📡 Cause: High ping on your Wi-Fi network (check via speedtest.net).

3. The Wi-Fi Calling icon appears, but calls are made over the mobile network.

• 📱 Solution: Please update your firmware or reset your APN settings (Settings → Connections → Mobile networks → Access point names (APN) → click the three dots → Reset to Defaults).
• 🔧 Cause: Conflict with operator settings (especially after replacing the SIM card).

4. Call forwarding does not work.

• 🔄 Solution: Turn off Wi-Fi Calling and set up call forwarding via *21*number# (Beeline's Call Forwarding service).
• ⚠️ Cause: Technical limitation of the operator - Wi-Fi Calling and call forwarding may conflict.

How to disable Wi-Fi calling and when to do it

Despite its convenience, there are situations when it is better to deactivate the function:

• 🔋 Battery saving. Wi-Fi Calling uses additional energy, especially if your smartphone is constantly switching between networks.
• 🌍 Roaming. In some countries, operators block Wi-Fi calls for foreign SIM cards.
• 📵 Connection problems. If calls are frequently dropped, it's best to switch back to your standard mobile network.

The function is disabled as easily as it is enabled:

1. Go to Settings → Connections → Wi-Fi Calling.
2. Move the switch to the "Off" position.
3. Confirm the action (if required).

On some firmware (One UI 5.0 and newer) there is an option Mobile network only - It completely blocks the use of Wi-Fi for calls, even if the network signal is weak.

⚠️ Attention: After disabling Wi-Fi Calling, all calls will go through the mobile network, even if you are connected to Wi-Fi. This may lead to additional expenses while roaming or when the minutes package is exhausted.

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

Many people are confused Wi-Fi Calling And VoLTE (voice over 4G). Let's look at the key differences:

What to choose?

• 🏠 At home/in the office: Wi-Fi Calling wins when the 4G signal is weak but Wi-Fi is stable.
• 🚗 On the street/on the way: VoLTE is more reliable and does not depend on Wi-Fi availability.
• 🌍 In roaming: Check your carrier's terms and conditions - some only support VoLTE, while others offer both.

On Samsung Both features can be enabled simultaneously. The phone will automatically select the optimal channel. To activate VoLTE:

1. Go to Settings → Connections → Mobile networks.
2. Turn on VoLTE calls (or Enhanced 4G services).

FAQ: Answers to frequently asked questions

❓ Why isn't there a "Wi-Fi Calling" option on my Samsung?

Possible reasons:

• 📱 Your model does not support the function (see list above).
• 🔄 The firmware is out of date - update it via Settings → Software Update.
• 📡 Your operator doesn't support Wi-Fi Calling for your plan (check in your Beeline account).
• 🔧 The function is hidden in the engineering menu (technical skills are required to activate).

❓ Are calls over Wi-Fi charged like regular calls?

Yes, Wi-Fi Calling A call to Beeline is considered a standard call. Minutes are deducted from your plan or charged at your rate (if you don't have any minutes). International calls are an exception: they may be charged as roaming charges, even if you're connected to Russian Wi-Fi.

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

No. The feature is tied to the operator's SIM card. Without it, the phone won't be able to log in to the network. IMS, even if Wi-Fi is connected.

❓ Why did Wi-Fi calling stop working after updating the firmware?

Possible reasons:

• 🔧 The settings are lost APN - throw them away (Settings → Mobile networks → Access points → Reset).
• 📱 The new firmware contains a bug - check reviews on forums (for example, 4PDA) or roll back to the previous version.
• 📡 Beeline has temporarily suspended support for your region (rare, but it happens).

Try to manually register on the network IMS through the engineering menu (##4636## → Phone information → IMS settings).

❓ How can I check if a call is going through Wi-Fi or a mobile network?

During a conversation, look at:

• 📞 Status bar icon: If there is a "Wi-Fi" icon with a handset, the call is made via the Internet.
• 📶 Network indicator: If the network signal is weak (1–2 bars), but the call is clear, Wi-Fi is most likely being used.
• 🔧 Engineering menu: dial *#0011# → look at the line Service. If there IMS - call via Wi-Fi.