The Ring-In Sound is the sound that is heard when a team rings in. To change the default setting, click on the drop-down menu below the Ring-In Sound heading next to the team name whose Ring-In Sound you wish to modify:
You may select one of the pre-defined sounds, you can eliminate the Ring-In Sound by clicking on None, or you can click on Open Sound Library to select a different sound.
To preview a Ring-In Sound, click on the sound icon next to the Ring-In Sound box: