9-18
Cisco Unified IP Phone Administration Guide for Cisco Unified Communications Manager  7.1
OL-18913-01
Chapter 9      Troubleshooting and Maintenance
  Cleaning the Cisco Unified IP Phone
Cleaning the Cisco Unified IP Phone
To clean your Cisco Unified IP phone, use only a dry soft cloth to gently wipe the phone and the LCD 
screen. Do not apply liquids or powders directly on the phone. As with all non-weather-proof electronics, 
liquids and powders can damage the components and cause failures.