Under sample/callback, in the directory of Tiger Dial installation (usually /opt/xcally_tiger_dial), there is a file called index.html.
This form is connected to Tigerdial and shows all list configured under Tigerdial -> Lists
Through the form your customers can leave their phone number; in this way Tiger Dial will call them when some Agents are available.
You can customize the form according to your needs editing the file index.html, for example you can add it on your website.
This form uses the Tigerdial API directly. Remember to open the port 10089 on your server.