HOW TO DOWNLOAD AND USE AUDIO FILES ONLY FILES WITH THE FILE NAME .ul.wav can be used on the Pi Click on a audio file with the .ul.wav file name to download. Right click the file to re-name it and delete the .wav off the end of the name. The file name should now be filename.ul You can now drag and drop this file to your /etc/asterisk/local directory in your node You can now use this audio file by using the correct scripts to call on it how you wish.