When we install VICIdial using the VICIbox iso image the default webpage for Agents and Admins is running on HTTP protocol. It means that data are not encrypted and we need to enable SSL cert. Installing a valid SSL cert is essential for enabling VICIphone on VICIdial as well. A web-based phone that you can use a browser instead of a Softphone or IP Phone to make or receive calls. ( We will learn in the later videos) . Today we will learn how to get a free valid SSL cert from letsencrypt and how to enable it easily using vicibox-ssl script.