But even if they miss your call, you shouldn't lose the opportunity to show them what you were calling about. The same goes when you're trying to catch your best friend to rave about your favorite basketball team's recent win. Sometimes, your mom isn't free for a video call at the moment you're trying to show off your culinary masterpiece. Video messages can be played in the Duo app by tapping on the sender's icon, and a quick call back can be done through the 'Call now' button available after watching a video message.Īll video messages will disappear one day after they were first watched, but can be saved to the iPhone's camera roll if so desired. Google says that if a person you're calling declines or misses your call, you can record up to 30 seconds of video (or voice) to send to the person.