Google introduced Duo at Google I/0 2016 event last year along-with Google’s own messaging app Allo. Google was expecting a good response from these new apps though they weren’t able to get much popular among the Android users. Initially this app had only support for video calling feature and lacked voice calling feature. However this app is in news again due to the new update pushed by Google. Now this app supports voice calling as well with the latest update.

Amit Fulay, Google’s Head of Product for Google Allo and Google Duo, tweeted that audio calls are now rolling out worldwide on Google Duo. You must keep in mind that you will only able to do a voice call if the other person has also updated to the latest version. In case if you try to audio call a person who’s on the older version, the app will prompt a message saying that this person can’t take audio calls yet.

Google Duo Voice CallingAs soon as you open the app, you are welcomed with a very basic interface. On top there is an option to toggle between Video and Audio call option. On the bottom you will see an option to make a new call and a recently called contact. While calling it also shows the name of the network the other person is connected to. In case of data network it shows the name of the operator and if it’s connected to WiFi, it shows the WiFi name.

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Google claims that the new audio calling option will work good on all connection speeds and won’t eat up much mobile data. Google took a bit of time to realize about the feature this app lacked. However it’s hard to say that how much android users will be interested in this new feature where users already have the audio and video calling feature on the popular app, WhatsApp.