Changing and Monitoring Online Status
Google Talk allows you to change how you appear to others; you can
change your online status and status messages, as well as the
picture that appears next to your name on your friend's Friends list.

To change your online status

1. Press the HomeKey ,then touch the Applications
Launcher Key >Talk .
2.Touch the Status icon at the top right of your Friends list.
3. In the menu that opens, touch a status option.
In addition to the standard status settings described in the
table, you can also select a message that you've entered
previously or press the Menu Key and touch Clear
custom messages to erase them and start over.
Your status and any message appear in your contact's
Friends lists and in other locations where your status or
status message are displayed.

Status Icons

Icons in Google Talk, Gmail, and other applications indicate your
and your friends' Google Talk status.
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Communication
Available: Signed into Google Talk and available to chat
Away: Signed into Google Talk but not active
Busy: Signed into Google Talk but too busy to chat
Signed out of Google Talk
Invisible: Signed into Google Talk but appear signed out to others