For Windows:

Keyboard Shortcut Explanation
F1 Open Help page
F2 Accept next chat in queue (same as "Take Chat" button)
F3 Move to next chat awaiting response (same as "Next Response" button)
F4 Open Canned Response menu
F8 Opens Operator Snapshot window (the Operator Snapshot feature needs to be enabled)
F9 Opens search window
CTRL + F9 View Tickets
CTRL + SHIFT + F10 Notify Call  (the Voice feature  needs to be enabled)
CTRL + F11 Transfer chat