Callback24 – a lead generation tool that helps you acquire new customers with call-to-action (CTA) buttons. Callback24 makes it easy for your client to contact you. In just 15 seconds, your consultant will receive a notification of the customer’s call. Receive up to 30% more phone calls with call-to-action (CTA) buttons
You can find the settings of this option in the administration v sekcii Add-ons / Services.