Note: These steps take place in Chrome's settings, not the Boostlingo app.
Reset camera and microphone access in Chrome
Open Chrome.
Select the three vertical dots in the top right corner, then select "Settings."
Select "Privacy and Security" in the left menu.
Select "Site Settings."
Scroll to Permissions and select "Camera."
Find app.boostlingo.com and select the trash can icon to delete it.
Repeat for the "Microphone" permission.
Close Settings and return to the Boostlingo app. Place a call.
When the "Permissions" pop-up appears in the top left, select "Allow."
Next steps / Getting more help
If the permissions pop-up still doesn't appear, refresh the page and try again. If it still doesn't appear, contact Boostlingo Support.