Why WiFi Calling is Not Working: Troubleshooting Common Issues and Solutions

In today’s fast-paced world, WiFi calling has become an essential feature for many smartphone users. However, it can be incredibly frustrating when this convenient technology fails to work as expected. From dropped calls to poor call quality, various issues can arise, leaving users wondering why WiFi calling is not working. In this article, we will explore the most common problems encountered with WiFi calling and provide effective solutions to troubleshoot and resolve them. Whether you’re a frequent traveler, live in an area with weak cellular coverage, or simply prefer the convenience of WiFi calling, this guide will help you get the most out of this essential feature.

WiFi Calling Basics: Understanding The Technology And Its Benefits

WiFi Calling is a feature that allows users to make phone calls and send text messages over a wireless internet connection rather than relying on cellular networks. It transforms your WiFi network into a mini-cellular tower, providing you with a strong and reliable connection.

One of the main benefits of WiFi Calling is its ability to enhance coverage in areas where cellular signals are weak or nonexistent. It is especially useful in buildings with thick walls or in remote areas where cellular towers are limited.

To use WiFi Calling, your device and carrier must support this feature. Most smartphones and carriers now offer WiFi Calling, but it’s important to check with your specific carrier to confirm compatibility.

To enable WiFi Calling, you need to go to your device’s settings and turn on the feature. Once activated, your phone will seamlessly switch between cellular and WiFi networks depending on which one provides a better signal.

WiFi Calling is an essential tool for staying connected in areas with poor cellular coverage. Understanding its basics and benefits can help troubleshoot any issues that may arise when using this feature.

Common Issues With WiFi Calling: Identifying The Problems

WiFi calling is a convenient feature that allows users to make phone calls and send text messages using a WiFi network instead of relying on a cellular network. However, many users encounter various issues that prevent WiFi calling from working effectively. Identifying these problems is the first step towards troubleshooting and resolving them.

Common issues with WiFi calling can include weak WiFi signal, incorrect network settings, incompatible devices or operating systems, router compatibility and settings, and insufficient bandwidth. Weak WiFi signal can cause dropped calls or poor call quality, while incorrect network settings may prevent the device from connecting to the WiFi calling service. Some devices or operating systems may not support WiFi calling, resulting in an inability to use the feature. Router compatibility and settings can interfere with WiFi calling, leading to connectivity issues. Additionally, limited bandwidth can result in a degraded WiFi calling experience.

By understanding and identifying these common issues, users can proceed to troubleshoot their WiFi calling problems effectively. Through proper configuration, compatibility checks, and optimization of both network and device settings, users can overcome these hurdles and enjoy a seamless WiFi calling experience. If all else fails, advanced troubleshooting methods such as resetting WiFi calling settings or contacting support can provide further assistance in resolving the issues.

Issue 1: Weak WiFi Signal – How To Improve Connectivity

A strong WiFi signal is vital for successful WiFi calling. If you are experiencing issues with WiFi calling, a weak signal could be the culprit. There are several steps you can take to improve the connectivity:

1. Move closer to your WiFi router: The further you are from the router, the weaker the signal will be. Try to stay in the same room or closer to the router to ensure a stronger connection.

2. Eliminate interference: Other electronic devices, such as cordless phones and microwave ovens, can cause interference with your WiFi signal. Keep your WiFi router away from such devices to avoid signal disruption.

3. Update your router firmware: Outdated router firmware can impact signal strength and performance. Check for any available updates and ensure your router is running the latest firmware.

4. Use a WiFi range extender: If you have a large house or multiple floors, consider using a WiFi range extender to boost the signal throughout your home. This can enhance the quality of your WiFi calling experience.

5. Check for network congestion: If multiple devices are connected to your WiFi network and using a significant amount of bandwidth, it can result in a weaker signal. Limit the number of devices connected simultaneously or consider upgrading your internet plan.

By following these steps, you can enhance your WiFi signal strength and overcome the issue of a weak WiFi signal, ultimately improving your WiFi calling experience.

Issue 2: Incorrect Network Settings – Configuring WiFi Calling Properly

Configuring WiFi Calling properly is crucial for ensuring a smooth and stable connection. Many users face WiFi Calling issues due to incorrect network settings. Here are some common problems related to network settings and their possible solutions:

1. Incorrect APN settings: Access Point Name (APN) settings are specific to your carrier and determine how your device connects to the network. If the APN settings for WiFi Calling are incorrect or missing, you may experience connectivity issues. To resolve this, contact your carrier or visit their website to obtain the correct APN settings and enter them manually on your device.

2. Call forwarding settings: Some users may have call forwarding enabled, which can interfere with WiFi Calling. Check your call forwarding settings and ensure that no calls are being forwarded to another number. Disable call forwarding temporarily to see if it resolves the WiFi Calling issue.

3. Firewall settings: Some routers or firewalls may have settings that restrict or block WiFi Calling. Access your router’s administration page and check the firewall settings. Look for any restrictions on VoIP or WiFi Calling and disable them if present.

By properly configuring your network settings, you can eliminate issues arising from incorrect settings and enjoy a seamless WiFi Calling experience.

Issue 3: Incompatible Device Or Operating System – Ensuring Compatibility

When it comes to WiFi calling, having an incompatible device or operating system can be a major hurdle. To ensure that your WiFi calling feature works seamlessly, it is crucial to use compatible devices and have the latest operating system installed.

Incompatibility issues can arise when using older smartphones or operating systems that do not support WiFi calling. If your device is not compatible, you may need to upgrade to a newer model or consider using a different device that supports this feature.

To check if your device is compatible, navigate to the settings menu and look for the WiFi calling option. If it is not listed or grayed out, it is likely that your device does not support this feature.

Additionally, it is important to keep your operating system up to date. Manufacturers often release software updates that include bug fixes and improvements to WiFi calling functionality. Updating your device’s operating system can help resolve compatibility issues and ensure smooth operation of WiFi calling.

Issue 4: Router Compatibility And Settings – Optimizing Network Performance

When it comes to WiFi calling, router compatibility and settings play a crucial role in ensuring a smooth and uninterrupted connection. In this section, we will explore the common issues related to router compatibility and provide solutions to optimize network performance.

One of the main issues faced by users is using an outdated router firmware, which may lead to connectivity problems. To fix this, check for any available firmware updates for your router model and install them accordingly. It is also recommended to restart your router periodically, as it helps in clearing any temporary glitches.

Another important aspect to consider is the placement of your router. Obstacles like walls and large furniture can hinder the WiFi signal, resulting in poor call quality. To improve the connection, place your router in a central location and avoid obstacles as much as possible.

Additionally, router settings such as Quality of Service (QoS) can impact WiFi calling performance. Enabling QoS prioritizes voice traffic over other data, ensuring a smoother experience. However, the steps to enable QoS vary depending on the router brand and model, so refer to the user manual or contact your internet service provider for assistance.

By addressing router compatibility issues and optimizing the settings, you can enhance your WiFi calling experience and enjoy clear, uninterrupted voice calls.

Issue 5: Insufficient Bandwidth – Managing Network Traffic

Insufficient bandwidth can be a significant hurdle in using WiFi calling effectively. When multiple devices are connected to the same network, the available bandwidth may get divided, resulting in poor call quality or dropped calls. To manage network traffic and ensure a smooth WiFi calling experience, consider the following solutions:

1. Prioritize WiFi calling: Most modern routers have Quality of Service (QoS) settings that allow you to prioritize internet traffic. Enable QoS and set WiFi calling as the highest priority to allocate more bandwidth for calling purposes.

2. Limit connected devices: Reduce the number of devices connected to your WiFi network, especially those consuming high bandwidth such as streaming devices or gaming consoles. Disconnecting unnecessary devices frees up bandwidth for WiFi calling.

3. Set up a separate network for WiFi calling: Some routers offer the option to create a guest network or a separate network specifically for WiFi calling. By utilizing this feature, you can ensure that the available bandwidth is solely dedicated to calling purposes.

4. Upgrade your internet plan: If you consistently experience bandwidth issues, consider upgrading your internet plan to a higher speed or unlimited data plan. This will provide more bandwidth for all your internet activities, including WiFi calling.

By implementing these solutions, you can effectively manage network traffic and overcome the issue of insufficient bandwidth, ensuring a reliable and high-quality WiFi calling experience.

Advanced Troubleshooting: Resetting WiFi Calling Settings And Contacting Support

Sometimes, even after trying all the basic troubleshooting steps, WiFi calling may still not work. In such cases, advanced troubleshooting methods such as resetting WiFi calling settings and contacting support become necessary.

Resetting WiFi calling settings can sometimes resolve any underlying issues that may be causing the problem. To reset the settings, go to the WiFi calling settings on your device and look for an option to reset or restore default settings. This will revert any changes made to the settings and may fix any configuration errors.

If resetting the settings doesn’t solve the issue, contacting support is the next step. Reach out to your phone carrier or device manufacturer’s customer support for assistance. They can provide more specific troubleshooting steps or escalate the issue to their technical team if needed.

When contacting support, be prepared to provide details about the problem you are facing, the steps you have already taken to troubleshoot, and any error messages or codes you may have encountered. The support team will work with you to diagnose the issue further and provide a solution.


FAQ 1: Why is my WiFi calling not working?

There can be several reasons why your WiFi calling feature may not be working properly. Firstly, ensure that your device and carrier support WiFi calling. Additionally, verify that you have a stable internet connection, as weak WiFi signals can cause interruptions. It is also recommended to update your device’s software to the latest version.

FAQ 2: Why am I unable to make or receive calls over WiFi?

If you are experiencing difficulties in making or receiving WiFi calls, check if the feature is enabled on your device settings. Occasionally, firewall or security settings on your WiFi network can block the necessary ports for WiFi calling. In some cases, a simple restart of your device or router might resolve the issue.

FAQ 3: Why does my WiFi calling quality sound poor?

Poor call quality on WiFi can be a result of various factors. To improve the sound quality, ensure that you are within range of a strong WiFi signal. If multiple devices are connected to the same WiFi network, prioritize your device’s bandwidth usage. Additionally, consider disabling any background apps or downloads that might be consuming excessive internet bandwidth.


In conclusion, WiFi calling can be a convenient feature for making calls over a wireless network, but it can also be prone to various issues. This article has highlighted some common problems that users may encounter and offered practical solutions to troubleshoot them. By following these troubleshooting steps, users can hopefully resolve their WiFi calling issues and enjoy uninterrupted phone calls over WiFi.

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