These instructions apply to Linux but can be applied to any operating system.

  1. Install apache2 and get it running sudo apt-get install apache2
  2. Copy your ringtone to the web folder cp ~/Downloads/my-ringtone.mp3 /var/www/
  3. Test it out by pointing your browser to the ringtone http://localhost/my-ringtone.mp3
  4. Find the real path of the Google Voice extension
    1. Open the extensions tab in Chrome
    2. Copy the id from the Google Voice extension (mine is kcnhkahnjcbndmmehfkdnkjomaanaooo)
    3. Use this ID to select the correct folder in the directory below
  5. Edit the Google Voice extension itself to replace the default ringtone path with your own vim ~/.config/google-chrome/Default/Extensions/kcnhkahnjcbndmmehfkdnkjomaanaooo/
    1. Copy and paste the line labelled audio id
    2. Comment out one of the copies in case these steps go horribly wrong
    3. Replace the value of the src variable with the path to your ringtone http://localhost/files/my-ringtone.mp3
  6. Go to the extension page and disable then enable the Google Voice extension to force a reload of the extension file you just edited Ba-da-boom ba-da-bing, you now can change the ringtone to whatever you want!