How to use Voice Over WI-FI on my Samsung phone?

How to Enable Voice over Wi-Fi on Samsung Galaxy Devices?

Learn how to activate Voice over Wi-Fi (VoWiFi) on Samsung Galaxy devices for seamless calling over Wi-Fi networks, including setup steps, supported devices, and troubleshooting tips.

Voice over Wi-Fi (VoWiFi) allows Samsung Galaxy users to make calls and send messages using Wi-Fi networks instead of cellular signals. This feature is particularly useful in areas with weak 4G coverage, ensuring uninterrupted communication. Below, we'll guide you through enabling and managing VoWiFi on your Samsung device.

1. What is Voice over Wi-Fi (VoWiFi)?

VoWiFi, or Voice over Wi-Fi, is a technology that enables voice calls and messaging over Wi-Fi networks. It works alongside VoLTE (Voice over LTE) and uses IMS (IP Multimedia Subsystem) to deliver high-quality voice services. When your device detects a weak 4G signal and an available Wi-Fi network, it automatically switches to VoWiFi, indicated by a VoWiFi icon in the notification bar.

- VoWiFi provides clearer call quality and faster connection times compared to traditional cellular networks.

- It helps resolve indoor coverage issues by utilizing Wi-Fi networks when mobile signals are unavailable.

- VoWiFi supports seamless handovers between LTE and Wi-Fi networks, ensuring uninterrupted calls.

2. How to Enable VoWiFi on Your Samsung Galaxy Device

VoWiFi is typically enabled automatically on supported devices, but you can manually toggle it on or off using the following methods:

1. Via Quick Panel: Swipe down from the top of the screen to open the Quick Panel, then tap the VoWiFi Calling icon to enable or disable the feature.
2. Via Settings: Go to Settings > Connections > Wi-Fi Calling and toggle the VoWiFi option on or off.

3. Supported Samsung Galaxy Devices

VoWiFi is available on select Samsung Galaxy devices, including the Galaxy S24, Galaxy S25, Galaxy Z Fold, Galaxy Z Flip, and Galaxy A series. Ensure your device is running the latest software version for optimal compatibility.

4. Why VoWiFi Might Not Work

If VoWiFi isn't functioning as expected, consider the following factors:

- Your device may not support VoWiFi. Check the compatibility list provided by your service provider.

- The Wi-Fi network might not meet the required standards for VoWiFi. Ensure you're connected to a stable, high-speed network.

- Your service provider may have specific requirements or restrictions for VoWiFi activation. Contact your carrier for assistance.

5. Additional Things to Check

1. Ensure your device is connected to a trusted Wi-Fi network.
2. Verify that your device's software is up to date.
3. Check if your carrier supports VoWiFi in your region.

Related Samsung Support Topics

- How to troubleshoot Wi-Fi connectivity issues on Samsung Galaxy devices

- How to update software on Samsung Galaxy devices

- How to contact Samsung support for technical assistance