Some users are able to receive Google Duo video calls despite not having the app installed. A preview version of the app pops up and allows users to accept or reject the call.

It works like any other Duo communication, except that at the end of any call, recipients who don't have the app installed will then be prompted to install Duo.

To enable Duo on your UBITName account, begin by enrolling a device. The instructions below show how to enroll a smartphone with the Duo Mobile app—the recommended method. (An iPhone is ...

Google is doing everything it can to get more people onto its video messaging service. Duo hasn't set the mobile world alight since it launched in August ...