First off all my english isn’t perfect so i try my best here.
We have a unifi site with 10 ap’s perfect coverage for all devices, only our voip wifi devices are struggeling very hard.
Outbound talk is stuttering and bad quality but not always.
incoming traffic to the phones is always perfect.
Thanks for your thoughts on it every answer of question will help me alot.
below a screenshot of a connection of the device during night time:
We see that all wifi devices are roaming properply from AP to AP
Only our voip devices are disconnecting and connecting. → could be the device itself or a combination.
So that’s why we have lost packets in the line and the line goes from super good quality to poor quality and then back to super good.