Step 1: Select "Webcam Work" on the Registration Details or Registration page.
Step 2: Go to the Webcam tab on your Edit Profile page and click the Edit DirectCam Settings button.
Step 3: Tick the box that says "I wish to provide typed text-chat only, (called DirectIM), with no video sent from my PC or shown to clients". If you do not tick this box you will be required to send a video as well.
Step 4: Select one or more of the Free, Group and Private boxes depending on what you wish to offer (you will be required to tick at least one of the boxes) and set your prices for a text-only chat.
Step 5: Log in to the AW Broadcaster. You will now appear on the DirectIM page as available and a link will appear on your profile stating you're available for DirectIM.
For more information on DirectIM, please see this page.