Unfortunately, new Voyager 5200 have an outstanding bug, where it becomes unusable when exposed to noise. Something happens in the software and Poly has yet to ship a fix. The only workaround is a power cycle. How do you notice? You don’t. The person you are talking to will no longer understand you. When you contact support, you get a new device, which will then exhibit the same failure.
I will let you know as soon as Poly issues a firmware update to fix the problem.
How does this not happen in the video? My suspicion is that Danny is not using a new device.