
Your terminal will make voice calls via your Wi-Fi network instead of using your carrier’s network. If you have solid Wi-Fi coverage but a spotty cellular network, you can call your contacts over Wi-Fi. Modern smartphones support Wi-Fi calling.

Select Settings, and uncheck Voice privacy. So, launch the phone app, and tap More options ( the three dots). Some users suggested that voice privacy might sometimes hinder call quality. As a quick reminder, voice privacy adds an extra voice encryption layer that prevents eavesdroppers from tuning in to your frequency. If your terminal supports voice privacy, disable this option and check if you notice any improvements. You may want to take your phone to an authorized repair center and have it repaired. If it does, this could indicate your hardware is faulty. If possible, insert a SIM card from a different carrier and check if the issue persists. Insert the SIM card, and check if the problem is gone. Wait for two minutes, and turn off the terminal. Restart your phone without the SIM card inserted. Turn off your device and remove the SIM card. Make a phone call and check if the issue persists. Then, restart your terminal two or three times in a row. Check for updates, and install the latest Android OS version available for your device. Go to Settings, select System, and then tap System Update. What to Do If Android Phone Keeps Cutting out During Calls Check for Updates and Restart the Device

However, running outdated Android versions, a faulty SIM card or various hardware issues could also trigger similar problems.

If there’s a lot of metal and steel in the building you’re living in, that could deflect or block the signal. Additionally, poor weather and cloudy skies may negatively affect signal strength. If you’re currently located in a remote place where there are hills or mountains, chances are you’re too far away from the nearest cell tower. If your signal is weak, your terminal may randomly cut out in the middle of phone calls. Why Does My Phone Keep Cutting out During Calls?
