A:Answer The answer is that when a poly headset it blinking purple (both blue and red at the same time), it has failed. You can try to drain the battery and recharge to reset, but the real answer is to replace the headset. It is generally on its way out the door. I have managed to reset with a discharge/recharge cycle in the past, but that is just a stop-gap solution in my opinion.
As a side note, I am on my 4th poly headset. Mine are the upper model 5220. This last one failed in 3 1/2 months. The quality appears to be getting worse based on the fact that the failure intervals are getting shorter.
