Receive notification when a contact becomes available
Each time that you set BlackBerry® Messenger to notify you when a contact becomes available, you receive a notification.
1. On the Home screen or in the Instant Messaging folder, click the BlackBerry Messenger icon.
2. On the contact list screen, in a contact category, highlight a contact whose status is set to Busy.
3. Press the Menu key.
4. Click Set Contact Alert.
5. Click OK.
To turn off the notification, press the Menu key. Click Clear Contact Alert.
The entire document
http://www.blackberry.com/btsc/micro...0%201316501723