SUMMARY Plasma/Browser Integration causes Google Voice to display an error. Your browser might prevent calls from ringing. Change your browser settings to allow voice.google.com to play sound. STEPS TO REPRODUCE 1. In Google Chrome, install the Plasma/Browser Integration extension 2. In Google Chrome, go to https://voice.google.com/ OBSERVED RESULT Notice that there is an error: Your browser might prevent calls from ringing. Change your browser settings to allow voice.google.com to play sound. EXPECTED RESULT The error is not displayed. SOFTWARE/OS VERSIONS This appears on all systems where the Google Chrome browser is logged in. I've observed on Mac, Debian, Ubuntu. ADDITIONAL INFORMATION Disabling the extension and reloading Google Voice makes the error go away.