You can turn all sounds off temporarily.
Right-click the Novell Messenger status icon in the notification area, then select.
To turn sounds back on, repeat Step 1.
If you use mute to turn sounds off, they are turned back on when you exit Novell Messenger and log back in.
For information about specifying when you are notified by sounds and alerts, see Section 8.15, Specifying When You Receive Sounds and Alerts.