How do I use my Cisco IP 8831 phone?

In This Article:


Cisco 8831 Video Tutorial

Cisco Phone Model 8831

  • Great for small to large conferences rooms up to 1140 square feet.
  • Wired Control Panel with dial pad extends from the base station.
  • Full-duplex, two way wideband acoustic audio
  • Supports the addition of two wired or wireless microphones (must be purchased separately).

Your Cisco IP Conference Phone 8831 is a full-feature conference station. There are two primary components, the Display Control Unit which is connected to the Sound Base.  This tutorial will describe in detail what the Display Control unit contains. Instructions for using other Cisco phone models can be found in the following articles:

Request phone assistance

Basic Features:

The Display Screen

  • Displays the Date / Time
  • Your phone number
  • Caller ID
  • Line and Call status information

The Display Screen

Soft Keys

The soft keys perform a variety of functions and change depending on the state of the phone.

The Soft Keys

Navigation and Select Buttons

Allows you to move within menus and select options. 

The Navigation and Select Buttons

Call Button

Use this button to initiate a call, answer an incoming call, resume or release a call.

The Call Button


Use the keypad buttons to enter phone numbers, or select menu items.

The Keypad

Volume Button

This is a 2-way rocker used to increase or decrease the speaker volume while on a call.  When the phone is idle this will also change the ringer volume.

The Volume Button

Mute Button

Toggles the Mute feature on and off. When the phone is muted the LED indicators are solid red. Remember, there is also a mute button on the sound base for your convenience.

The Volume Button

Sound Base

  • 3 LED indicators
  • 4 built in Microphones
  • Speaker, and
  • Mute Button

The Sound Base

Additional Options

In addition, there are optional wired and wireless extension kits that can be added to or used with the conference phone to enhance the room coverage of the conference station.

The Additional Options

Back to Overview

Answer Calls:


When you get a new call, the LED indicators will flash green. In addition, your phone’s display will show caller ID information and the phone will ring.

When you get a new call, the LED indicators will flash green.

Answer Soft Key

To answer a call, press the Call button, or press the Answer softkey.

Press the Call button.

Second Call

If a second call comes in while you are already on a connected call, the second caller’s ID information will display. Simply press the Answer softkey to connect the second call, and the first call will automatically be placed on hold.

The first call will automatically be placed on hold.

Multiple Calls

When handling multiple calls, the softkeys across the bottom of your phone’s display affect the selected call only. Notice the top bar now displays a call count, and lets you know which call is displayed. To switch between connected calls, use the navigation button to select the call you want to connect to and press the Resume softkey.

Notice the top bar now displays a call count, and lets you know which call is displayed.

End Call

To end a call, press the End Call softkey. To end a call on hold, you must resume the call first.  If you only have one active call, you can press the Call button to end the call.

To end a call, press the End Call softkey.

Back to Overview

Make Calls:


Enter the number you wish to dial. If you make a mistake while dialing, use the backspace softkey. When you are finished, press the Call button or the Dial softkey

If you make a mistake while dialing, use the backspace softkey.

Multiple Calls

To place a call while another call is active, put the active call on hold and press the New Call softkey.

Put the active call on hold.

Outside Calls

To make an outside call – first dial 8, then enter the full local or long distance number and press the Dial softkey, or the speakerphone button in the bottom right of the keypad.


Use the Redial softkey, to dial the last number placed from the phone.

Use the Redial softkey.

Speed Dials and Placed Calls

For quick access when the phone is idle, press the DOWN button for Speed Dials and the UP button for Placed Calls.

Press the DOWN button for Speed Dials and the UP button for Placed Calls.

Back to Overview

Hold & Mute:


To put a call on hold, press the Hold softkey. The hold icon appears and the LED indicators pulse green.

Press the Applications softkey.


If there is only one call on hold, press the Resume softkey

Press the Resume softkey.


You can swap between holding and active calls by using the Swap softkey. The holding call becomes active, and the active call is placed on hold. 

You can swap between holding and active calls by using the Swap softkey.


The conference station can be muted in two ways: you can either press the Mute button on the Sound Base or on the Display Control Unit. The LED indicators on both pieces will illuminate red when the sound is muted.

Back to Overview


To change the Ringtone or Contrast, press the Applications softkey.

Press the Applications softkey.


Use the Navigation Button to scroll and select Preferences. Note that you will see the current selected ringtone name.

Use the Navigation Button to scroll and select Preferences.

Ringtone Selection

Use the Navigation button to scroll through the list of ring types, and press the Play soft key to hear a sample of the selected ring type. When you find the desired ring type, press the Set softkey.

Your selection will be checked. Make sure to press the Apply soft key to confirm your selection.

To exit the menu, press Exit.

When you find the desired ring type, press the Set softkey.

Contrast Selection

You may want to change the contrast level of the LCD Screen. 

To adjust the Contrast, press the Applications softkey, then scroll and select Preferences. Reference the Applications and Preference steps above for more detail and photos. Select Contrast.

Press the Navigation button up to increase or down to decrease contrast.

Press the Save softkey to set the level or Cancel to exit.

Press the Navigation button up to increase or down to decrease contrast.

Back to Overview

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Article ID: 144
Tue 12/12/17 8:36 AM
Tue 5/14/24 11:18 AM

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