![]() The app will switch to cellular if Wi-Fi degrades or gets out of range. Duo always prefers Wi-Fi, assuming the connection is strong enough. The app doesn’t have two connections going on simultaneously, it simply monitors to see if a better connection is available. This means you can be on a call at home or in the office, and it should stay connected even if you leave and step out of Wi-Fi range.įox explained exactly how the handoff feature works. Duo tries to switch between Wi-Fi and cellular data automatically without dropping your call. The handoff between different networks was also given a lot of thought. When the network quality gets really poor, Duo will fall back to just audio. In fact, you can manually turn this on: A “limit mobile data usage” option can be toggled to restrict data usage on cellular networks, lowering video resolution but consuming less data. That means when bandwidth is limited, Duo will reduce the video resolution to keep the call going smoothly. To keep you connected, Duo adjusts call quality based on changing network conditions. ![]() A lot of time was spent on ensuring the call will degrade gracefully when packets drop, for example. Speed and reliabilityįox explained that the team worked hard to understand different network topologies. ![]() In short, if you can’t see yourself, the person you’re calling also can’t see you.įox noted that Duo started out as an app offering a “great quality experience on Android” that “takes the complexity out of video calling.” But in order to achieve the latter, the team decided it needed to build an iOS app as well. A neat thing I noticed is that if you navigate away from a call, the video will stop. It takes one tap to get into a call, one tap to answer, and, in general, everything is focused on getting you into a call as quickly as possible. “The UI is the person you’re talking to,” Fox declared. That’s why it is phone-number based, there is no need for a new account, and the user interface is very straightforward. The team’s goal was to make the calling experience as absolutely simple as possible. Fox took some time to detail the three areas that his team focused on when designing Duo. Both apps are coming out of the Communications product team formed almost two years ago under vice president of product management, Nick Fox.įox explained that Duo is launching ahead of Allo because development for the former actually started first. And no, Duo doesn’t use your Google account in any way, according to Google.ĭuo, along with messaging app Allo, was unveiled at Google’s I/O 2016 developer conference and made available in private beta (the number of testers is “in the thousands”), with a promise for a summer launch. You don’t need to create a separate account, nor do you need a Google account. Android Police notes that it's been refined, giving a better preview for what it would look like if the person installed Allo.To get started with Duo, all you need is a phone number. Google's smart messaging app Allo has supported App Preview Messaging since its launch, but the design for recipients without the app installed was a bit clunky. This is all thanks to the App Preview Messaging feature, which allows Android users to use supported messaging apps to contact people who don't have said app installed. It's unavailable for all non-Android phones (sorry iPhone users, you'll just have to install Duo first), but Toombs reports there are likely more criteria that play into who you can contact. Cody Toombs at Android Police notes, though, that he wasn't able to reach all of his contacts through Duo. ![]() Additionally, it will help expand the user base. It's a good move for accessibility - and should encourage those who do have the app installed to use it more widely. They also have the option to decline future Duo calls from that person. ![]() 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. According to Android Police, Duo users can now call people who don't have the app installed and who haven't registered with the service. Duo is Google's video calling app, and it looks like the tech giant wants to spread the word about it. ![]()
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