Ways To Provide Power To Your Phone; Phone Behavior During Times Of Network Congestion; Compliance Statements; Compliance Statements For The European Union - Cisco 7811 User Manual

Ways to Provide Power to Your Phone

Caution
In European Union countries, use only external speakers, microphones, and headsets that are fully compliant
with the EMC Directive [89/336/EC].
Ways to Provide Power to Your Phone
You can provide power to your phone in one of two ways:
• Use the power adapter that comes with your phone.
• If your network supports Power over Ethernet (PoE), you can plug your phone into the network. Plug
If you are not sure whether your network supports PoE, check with your administrator.

Phone Behavior During Times of Network Congestion

Anything that degrades network performance can affect phone voice 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

Compliance Statements

Compliance Statements for the European Union

CE Marking

The following CE mark is affixed to the equipment and packaging.

Compliance Statements for Canada

This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the
following two conditions: (1) this device may not cause interference, and (2) this device must accept any
interference, including interference that may cause undesired operation of the device.
Cisco IP Phone 7800 Series Multiplatform Phones User Guide
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an Ethernet cable into the Ethernet phone port and into the network.
Product Safety and Security