Google Duo is a great video calling app that makes it easy to stay connected to your professional and personal network. The app has multiple capabilities and even allows VoIP on networks with weak signal. Adding friends and colleagues to the app is very easy. All you need to do is sync your contacts and everyone who uses the app on their device should appear in your contacts list.

You can also use Google Duo on your PC thanks to the availability of a web version. In fact, you can even install the Duo Android app on your PC itself with a small hack and use the app on your PC itself.

While signing up for the app and joining a video call is easy, you may encounter an error message. One such error message is the “unable to send request” error message that you may get when signing up with a phone number.

We've put together a simple, easy-to-use guide to get you started. Let's get started.