User Manual

Table Of Contents
DescriptionItem
LED backlit call button.
Press this key to:
Go Off Hook
Answer an incoming call
Obtain a dial tone to initiate a call
Resume a call
Release a call
Call button4
Allows you to dial phone numbers and enter letters.Keypad5
Toggles the Mute feature. A red backlight indicates a call is on
mute.
Mute button6
2-way rocker switch that raises the volume of the speaker.Volume rocker7
For details on DCU LED behavior, see LED State Definitions, on page 7.Note
Sound Base
The Sound Base provides 360 degree audio coverage via four built-in microphones and supports a full duplex
speaker phone.
To provide enhanced room coverage, two sound base units can be linked together.
You can use the graphic and table below to identify buttons and connections on the Sound Base.
Cisco Unified IP Conference Phone 8831 and 8831NR User Guide for Cisco Unified Communications Manager 10.0
9
Features of Your Cisco Unified IP Conference Phone
Sound Base