A new feature in the latest Windows 10 Insider Preview build allows Windows to make and receive phone calls when synced with a compatible Android smartphone. The feature, part of Microsoft's Your Phone app, is expected to roll out to the public sometime in the first half of next year.
https://www.notebookcheck.net/You-can-now-make-and-answer-phone-calls-on-your-PC-via-Windows-10-Your-Phone-app.437697.0.html