When you’re on the go, there are times when you need to call a phone number but don’t have your phone with you. Maybe you left it at home or it’s charging in your room. In these cases, it’s helpful to know how to call a phone from a computer.

There are a few different ways to do this, but the most common is to use a voice-over-IP (VoIP) service. This is a service that lets you make phone calls over the internet. There are a number of these services, but the most popular is Skype.

To use Skype, you …