Cisco 7920 Phone Manual page 18

Warning Read the installation instructions before connecting the system to the power source.
Warning The plug-socket combination on the battery charger must be accessible at all times
because it serves as the main disconnecting device.
Warning This equipment will not be able to access emergency services during a power outage
because of reliance on utility power for normal operation. Alternative arrangements
should be made for access to emergency services. Access to emergency services can be
affected by any call-barring function of this equipment.
Warning Do not use the Cisco Unified Wireless IP Phone 7920 in hazardous environments such as
areas where high levels of explosive gas may be present. Check with the site safety
engineer before using any type of wireless device in such an The battery charger
requires short-circuit (overcurrent) protection to be provided as part of the building
installation. Install only in accordance with national and local wiring regulations.
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