VOIP calling problems when connected to 80MHZ wifi

One of our fairphone 4’s had updated to android 15 and since then occasionally has issues with stuttering audio when calling through the Cloudcall voip app from Cloudgroup.

~~Now our other fairphone 4’s got auto updated to 15 and started having the same issue.~~

EDIT: turns out the phones hadn’t gone to android 15 yet, they’re still on android 13. So guess it’s just general fairphone 4 problems on 80MHZ

I changed our Unifi U7 Pro Accesspoints settings from being a 80mhz network to a 40mhz network on it’s 5ghz band and this seems like it might have fixed things. is this is something that the hardware people are aware of?