User Manual

Getting Started
Cisco Unified Wireless IP Phone 7921G for Cisco Unified CallManager 4.1, 4.2, 5.0 and Later 3
FINAL REVIEW - Cisco Confidential
Warning Read the installation instructions before connecting the system to the power source.
Statement 1004
Warning The plug-socket combination on the battery charger must be accessible at all times
because it serves as the main disconnecting device. Statement 1019
Warning Voice over IP (VoIP) service and the emergency calling service do not function if power
fails or is disrupted. After power is restored, you might have to reset or reconfigure
equipment to regain access to VoIP and the emergency calling service. In the USA, this
emergency number is 911. You need to be aware of the emergency number in your
country. Statement 361
Warning Do not use the Cisco Unified Wireless IP Phone 7921G 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 area.
Warning 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. Statement 1045
Battery Safety Notices
These battery safety notices apply to the batteries that are approved by the Cisco Unified Wireless IP
Phone 7921G manufacturer.
Warning There is the danger of explosion if the battery is replaced incorrectly. Replace the battery
only with the same or equivalent type recommended by the manufacturer. Dispose of
used batteries according to the manufacturer’s instructions. Statement 1015
Warning Ultimate disposal of this product should be handled according to all national laws and
regulations. Statement 1040