Table 1: Display Control Unit buttons and softkeys
DescriptionItem
LCD screen that displays conference phone menus and features.Phone screen1
Four programmable keys.Softkeys2
2-way navigation bar and Select key that allows you scroll menus
and select items on the display.
Navigator with Select
key
3
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 back light 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.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 User Guide for Cisco Unified Communications Manager 9.3
3
Features of your Cisco Unified IP Phone
Sound Base