Note: The search bar allows you to search for contacts by name or number, as well as invite friends to Duo. When you or your friend end a call, you will be brought back to the camera view/search bar and 'Create Group' button screen. There is also a thumbnail of your camera view (which you can tap to enlarge and thus minimise your friend's camera view to the round thumbnail). These buttons include a mute button, a button to toggle between your front and rear-facing cameras, a low-light mode button and an end call button. Once you answer a video call, or if your friend answers your call, you'll see the actual video call screen, which includes a view of whatever his or her camera sees and four buttons. If you're not using your phone, you may simply get a notification that says a video call is incoming, but that depends on your notification preferences. When a friend video calls you, and you happen to be using your phone, you'll see an incoming video call screen, which includes a view of whatever his or her camera sees, the name or the number of your friend, and buttons to either answer or end the video call. So, whenever you video call a friend, you'll see a screen that warns you your video is visible, then you'll see the name or the number of the person you're video calling, and an end button, all of which is superimposed onto a view of whatever your camera sees (likely you).

Your friend can't see you while ringing you with this feature however. The first time you call, Google will tell you 'Smile! Knock Knock is on', along with a notice that says your friend - if he or she has you as a contact - will see you appear on their phone while you're ringing. To start making a video call, type in the name of the contact you want to video call in the search bar > select their name from the list > tap on the 'Video call' icon in the centre at the bottom of your screen. Video callingĮvery time you open Duo, you'll see the camera view with the search bar, and contacts and groups below. There's also a search bar at the top and a menu for accessing settings. Google Duo's main interface is a screen that is split into two, with the top half showing you what your camera sees, and the bottom offering up your groups or contacts.

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