Skype is simple to use and free to download.
You can do more if you spend a bit extra, such as cell phones and sending SMS. You may pay as you go or subscribe, whatever is more convenient for you. In the business realm, this means you can bring your whole ecosystem of employees, partners, and customers together to complete tasks.
Start adding your friends, family, and coworkers to Skype right now. They won't be hard to come by; hundreds of millions of people currently use Skype to collaborate on a variety of projects.