@Pops.1953 wrote: I feel your pain. I also work for a hospital system and in the 2 years or so that we have been using the 8821 phones we have RMA-ed  probably over 200. I believe the Microphone maybe an actual hardware failure. One good drop and it'...

I've deployed over 70x 8821s and I've had to RMA 50x phones. 45 out of 50 of them have had the 1Way Audio/Broken mic issues. The other 5 had various other issues. MIC Certificate error, constantly reverting back to factory defaults, etc. Some of ...