About sound profiles
You can set notification options, such as vibrate or tone, for Google Talk for BlackBerry smartphones in the sounds application. The Google Talk Alert item specifies how you are notified when a friend that you have set an availability notification for becomes available. The Google Talk New Message item specifies how you are notified of incoming Google Talk messages.
Depending on the sound profile that is set in the sounds application on your smartphone, you might not hear the audible notification that you have set for Google Talk for BlackBerry smartphones. For more information about sounds, click the Help icon on the Home screen of your BlackBerry smartphone.