I think the firmware upgrade fixed lots of 'unexpected' problems.Users that were consistently complaining about problems that could not be re-created, settled down almost immediately the firmware was upgraded.The one-way audio was always a constant r...

I have a fleet of around 150. I am using firmware sip8821.11-0-4-14 and that has fixed most of the various grumbles Users have with the 8821's. I was RMAing perhaps 1 in 10 for various one-way audio issues. Software or Microphone. But when I moved to...