Google Home/Nest as phone landline for incoming and outgoing calls

As on Dec 31 2020: Use Google Home/Nest as phone landline for incoming and outgoing calls! Note: Google Home/Nest can receive calls from Google Duo, but can make calls to any number Get a free landline to your home! All you need is set up Google Duo with google voice number and link it as video and voice app in Google Home/Nest. And you are all set!