Google Duo Video Calling Using Google Duo for Android Video Calls Download Google Duo from Google Play Open Duo and agree to Google’s Terms and Conditions for the Duo app. Accept permissions to allow Duo to: take pictures and video, record audio, access contacts, and send/view messages. Type phone number to use with Google Duo. Your phone will receive a text message to verify your number. You are ready to use Duo! Making a call in Google Duo Tap Video Call Select the person you’d like to call from your contacts or type the number you’d like to reach. Note: The number of your contact must include the country code, for example a U.S. number would be 1- XXX-XXX-XXXX Due will call your contact, making your video visible. To end your call, tap the red phone button in the bottom center of your screen. Receiving a call in Google Duo When receiving a call in Duo, you’ll see what your caller looks like. Swipe up on the call button to accept. Swipe down on the call button to reject it. REV: Page 1 Google Duo Video Calling In-call controls in Google Duo Tapping the screen while in a Duo call will bring up controls for the call. To mute, tap the mute button above your video preview in the bottom left corner. To switch cameras during a call, tap the camera button above the mute button on the left side of screen. If connected to a Bluetooth headset, you can switch between Bluetooth and the internal audio using the Bluetooth button above the camera button on the left of the screen. REV: Page 2 .