Blank screen on phone display

If the display on your Cisco desk phone has gone blank but you can still receive and place calls, here is a quick way to bring the screen back:


  • On the back of the phone there is a network cable going into a port labeled "SW".

  • Unplug that cable, wait 10 seconds, and then plug it back in. Within a minute, the phone will reboot and the display will return to normal. 


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