Support Knowledge Base

Search Knowledge Base

Calisto Pro Troubleshooting: Headset shows with Red X


Calisto Pro: Device not recognized/PersonoCall headset with red x.


The system needs to be Rebooted

Follow the steps below

  1. Unplug USB connector
  2. Unplug a/c power
  3. Plug USB back in
  4. Plug a/c power back in



Sign up to receive news and exclusive offers from Plantronics