Here a series of things you can do to help improve your connection during video calls:

1. Check your router settings and make sure you are connected to the right network.
2. Switch to a different Wi-Fi connection.
3. Restart your router and modem.
4. Check your Internet Service Provider for outages.
5. Check the distance you are from your router and make sure you are within the range.
6. Check for other devices or applications using your network connection.
7. Upgrade your Internet service plan with your ISP.