Product Safety and Security for Your Phone
Phone Behavior During Times of Network Congestion
Anything that degrades network performance can affect phone audio and video quality, and in some cases,
can cause a call to drop. Sources of network degradation can include, but are not limited to, the following
activities:
• Administrative tasks, such as an internal port scan or security scan
• Attacks that occur on your network, such as a Denial of Service attack
UL Warning
The LAN/Ethernet cable or other cables attached to the device should not be extended outside of the building.
EnergyStar
The following phones have EnergyStar certification:
• Cisco IP Phone 7811
• Cisco IP Phone 7841
• Cisco IP Conference Phone 7832
• Cisco IP Phone 8811
• Cisco IP Phone 8841
• Cisco IP Phone 8851
• Cisco IP Phone 8851NR
Any phone model that isn't listed in the above list isn't certified.
Product Label
The product label is located on the bottom of the device.
Cisco IP Phone 7800 and 8800 Series, Cisco IP Conference Phone 7832, and Cisco ATA 190-SC User Guide for Webex Calling (formerly Spark
Phone Behavior During Times of Network Congestion
Call)
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