This is a Chrome extension for eTAPI Client, which will help you to make a call to a selected number easily and safely, without a separate application. The extension will scan websites for "tel:" links, which allows you to make a call to the selected number using One-Click calling. It is completely free, and works without the need to install any additional software. 

eTAPI Client serves as an intermediary between the TAPI API installed on your Windows Computer and other programs. eTAPI Client provides a gateway for the user to make a call from a website without a separate application.