- Supported Accessories
- View the Accessories Associated with Your Phone
- Headsets
- Cisco IP Phone Key Expansion Module Setup Overview
Accessories
Supported Accessories
You can use your phone with different types of accessories, such as headsets, microphones, and speakers. This table shows you which ones you can use with your particular phone.
In the following table, an X indicates support for an accessory by a particular phone model and a dash (-) indicates no support.
Accessory |
Type |
Cisco IP Phone |
|||
|---|---|---|---|---|---|
8811 |
8841 |
8851 |
8861 |
||
Third-Party Accessories |
|||||
Headset |
Analog |
X |
X |
X |
X |
Analog Wideband |
X |
X |
X |
X |
|
Bluetooth |
— |
— |
X |
X |
|
USB |
— |
— |
X |
X |
|
Microphone |
External PC |
— |
— |
— |
X |
Speakers |
External PC |
— |
— |
— |
X |
View the Accessories Associated with Your Phone
You can use headset jack, Bluetooth, or USB port to connect external hardware to your phone. The accessory list, by default, contains an analog headset that can be set up to enable wideband
Headsets
Check with the headset manufacturer to confirm whether you can use it with your Cisco phone.
If you plug a headset into the phone during an active call, the audio path automatically changes to the headset.
- Standard Headsets
- USB Headsets
- Bluetooth Headsets
- Wireless Headsets
- Swap Headsets While on a Call
- Specify a Audio Device for a Call
- Dynamically Select an Audio Path for a Call
Standard Headsets
You can use a standard headset with your desk phone.
Connect a Standard Headset
Standard headsets plug into the back of the phone.
Set Up a Wideband Standard Headset
You can use a headset that supports wideband audio. Wideband audio improves the quality of the sound you hear in the headset.
USB Headsets
You can use a USB headset for your calls if your phone has a USB port.
If your phone has more than one USB port, only one USB headset can be connected at a time.
For a list of supported headsets, see Unified Communications Endpoint and Client Accessories. USB headsets that are not listed may not function properly if you attach them to the USB port. For more information, see the documentation from your USB headset manufacturer.
Connect a USB Headset
When you use USB headsets with your phone, keep in mind:
-
You can use only one headset at a time. The most-recently connected headset is the active headset.
-
If you are on an active call and unplug a USB headset, the audio path does not change automatically. You need to press the Speakerphone button or pick up the handset.
-
If you are on an active call and unplug a USB headset, the audio changes automatically to the speaker.
-
If you are on an active call and plug in a USB headset, the audio changes to the USB headset.
Bluetooth Headsets
You can use a Bluetooth headset for your calls if your phone supports Bluetooth.
When you use Bluetooth headsets with your phone, keep in mind:
-
If you have both a Bluetooth headset and a standard headset attached to the phone, only one type of headset works at any time. When you enable one headset, the other is automatically disabled.
-
If you use a USB headset, both the Bluetooth and analog headset are disabled. If you unplug the USB headset, you need to enable the Bluetooth or standard headset.
-
For optimum headset coverage, use your Bluetooth headset within 10 feet (3 meters) of the phone.
-
Your phone supports the Bluetooth Handsfree Profile. If your Bluetooth headset supports these features, you can use your headset to:
For more information, see the documentation from your Bluetooth headset manufacturer.
- Turn Bluetooth On or Off
- Add a Bluetooth Headset
- Disconnect a Bluetooth Headset
- Remove a Bluetooth Headset
Turn Bluetooth On or Off
When Bluetooth is active, the Bluetooth icon
appears in the phone screen header.
Add a Bluetooth Headset
Disconnect a Bluetooth Headset
Remove a Bluetooth Headset
Wireless Headsets
You can use most wireless headsets with your phone. For a list of supported headsets, see http://www.cisco.com/c/en/us/products/unified-communications/uc_endpoints_accessories.html.
Refer to your wireless headset documentation for information about connecting the headset and using its features.
Swap Headsets While on a Call
You can connect an analog headset, a Bluetooth headset, and a USB headset simultaneously to your phone. However,you can use only one headset at a time.
When you connect multiple headsets to the phone, you can switch among the headsets during a call by pressing the Headset key on the phone. Though the phone is connected to multiple devices, you see a specific headset is selected as the preferred audio device in the following priority order:
-
When you connect a USB headset, a Bluetooth, and an analog headset to the phone, you can make your USB headset the preferred audio device.
-
When you connect a Bluetooth and an analog headset to the phone, you can make your Bluetooth device the preferred audio device. The Bluetooth headset takes priority over wired headset, so audio is sent or received from Bluetooth headset and there will be no audio on wired headset.
-
When you connect only an analog headset to the phone, you make your analog headset the preferred audio device.
Specify a Audio Device for a Call
You can connect an analog headset, a Bluetooth headset, and a USB headset simultaneously to your phone. However, you can use only one headset at time.
When you connect multiple headsets to the phone, you can choose the audio device to use for a call. Your choice applies when you place or answer a call with a line key or the corresponding softkey.
Based on the setting that choose for Preferred audio device, the audio device is selected.
| Step 1 | Press Applications. |
| Step 2 | Select . |
| Step 3 | Choose one of the options:
|
| Step 4 | Press Set. |
Dynamically Select an Audio Path for a Call
You can connect an analog headset, a Bluetooth headset, and a USB headset simultaneously to your phone. However, only one of them can be used at a time.
When you connect multiple headsets to the phone, the audio path that is used during a call changes based on the audio devices that are connected.
| Step 1 | (Optional) While you are on a call with an analog headset and a Bluetooth headset connected to the phone, plug in a USB headset. The call switches to the USB headset. |
| Step 2 | (Optional) While you are on a call with a USB headset connected to the phone, unplug the USB headset. If a Bluetooth headset is connected the call switches to it, else the call switches to the speaker. |
| Step 3 | (Optional) While you are on a call with a Bluetooth headset connected to the phone, disconnect the Bluetooth headset (that is, move out of range or power off the headset). If a USB headset is connected the call switches to it, else the call switches to an analog headset. |
| Step 4 | (Optional) While you are on a call with an analog headset and a USB headset connected to the phone, plug in a Bluetooth headset. The call switches to the Bluetooth headset. |
Cisco IP Phone Key Expansion Module Setup Overview

The Cisco IP Phone 8800 Key Expansion Module adds extra programmable buttons to the phone. The programmable buttons can be set up as phone line buttons, speed-dial buttons, or phone feature buttons
The following table lists the phones and the number of key expansion modules that each model supports.
|
Cisco IP Phone Model |
Supported Key Expansion Modules |
|---|---|
|
Cisco IP Phone 8851 |
2; providing 72 lines or buttons |
|
Cisco IP Phone 8861 |
3; providing 108 lines or buttons |
- Key Expansion Module Buttons and Hardware
- Adjust the Screen Brightness
- Modify a Speed Dial on a Key Expansion Module
Key Expansion Module Buttons and Hardware

The following table describes the features of the key expansion module.
|
LCD screen—Displays the phone number, speed-dial number (or name or other text label), phone service, or phone feature assigned to each button. Icons that indicate line status resemble (in both appearance and function) the icons on the phone to which the key expansion module is attached. |
|
|
1 |
Lighted buttons—18 buttons. Depending on the mode, each button or pair of buttons corresponds to one line (same as on the phone). For mode information, see the description of 2-column mode that follow this table. The lights beneath each button indicate the state of the corresponding line as follows:
|
|
2 |
Shift buttons—2 buttons. The button for page 1 is labeled as 1 and the button for page 2 is labeled as 2. The lights in each button indicate the state of the page as follows: |
Your administrator sets up the key expansion module to display in two-column mode.
- Two-Column Mode
-
In two-column mode, each button on the left and right of the screen is assigned to a different phone number, speed-dial number (or name or other text label), phone service, or phone feature. In this configuration, the key expansion module displays up to 18 items on page 1, and up to 18 items on page 2.
Figure 2. Key Expansion Module with Two Columns 
Adjust the Screen Brightness
You can change the brightness of the key expansion module screen to make it easier to read.
Modify a Speed Dial on a Key Expansion Module
If one of the line keys on the key expansion module is configured as a speed dial, you can press the line key to change the speed-dial number. You can also verify this change by checking the Unit field on the Configuration Utility page. When the line keys on the key expansion module are configured as a blf, blf+call pickup, blf+call park, or call park, you cannot change the speed-dial number when you press the line key.

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