Is there a Click to call option for chats?

We are trying to get a button on our chats so that agents can click to dial the chatter.

Locating the Chat Widget Function
https://help.brightpattern.com/5.8:Chat-widget-configuration-guide/ConfigurationLocationinAdminPortal

Enabling Click to Call option
https://help.brightpattern.com/5.8:Chat-widget-configuration-guide/ContactTab#Pre-Chat_Form_Configuration