You can use a number of accessories with your phone.

• Headsets:

  • Standard headsets that use a 3.5 mm jack

  • Bluetooth headsets

• Cisco Wireless IP Phone 8821 Desktop Charger: charges the Cisco Wireless IP Phone 8821 only

• Cisco Wireless IP Phone 8821-EX Desktop Charger: charges the Cisco Wireless IP Phone 8821-EX only

• Cisco Wireless IP Phone 8821 Multi Charger: charges the Cisco Wireless IP Phone 8821 only

• Cisco Wireless IP Phone 8821-EX Multi Charger: charges the Cisco Wireless IP Phone 8821-EX only

Note	The Cisco Wireless IP Phone 8821-EX has not been tested or certified with any accessories for use in Potentially Explosive Atmosphere.

The phones can only connect to Bluetooth headsets and speakers. They do not support any other type of Bluetooth device.

The phones have other accessories, including cases. For more information on accessories, see the Cisco Wireless IP Phone 882x Series Accessory Guide, located here: http://www.cisco.com/c/en/us/support/collaboration-endpoints/unified-ip-phone-8800-series/products-user-guide-list.html.

You can use the Cisco Wireless IP Phone 8821 Desktop Charger to charge your Cisco Wireless IP Phone 8821 and spare phone battery. The charger works on AC power or from a charged spare phone battery. It can be secured with a standard laptop cable lock. This charger has a label on the back to show the maximum voltage (4.35 V).

You can use the Cisco Wireless IP Phone 8821-EX Desktop Charger to charge your Cisco Wireless IP Phone 8821-EX and spare phone battery. The charger works on AC power or from a charged spare phone battery. It can be secured with a standard laptop cable lock. The charger looks the same as the Cisco Wireless IP Phone 8821 Desktop Charger except that it shows the graphic of the Cisco Wireless IP Phone 8821-EX and doesn't have the voltage label.

The following figure shows the charger with a phone.

Caution

The Cisco Wireless IP Phone 8821 Desktop Charger can only charge the Cisco Wireless IP Phone 8821 and a spare battery for that phone. You can't charge the Cisco Wireless IP Phone 8821-EX or its spare batteries in the Cisco Wireless IP Phone 8821 Desktop Charger.

In this document, the term desktop charger refers to both chargers.

If your phone has a protective case, you don't need to remove the case before you charge the phone in the desktop charger. You adapt the charger to fit the phone.

You can use a USB to Ethernet adapter (dongle) to connect the desktop charger to the Ethernet for only automatic Wi-Fi profile provisioning and certificate enrollment purposes. You cannot use the dongle to make voice calls over the Ethernet. For more information on the USB port, see the Cisco Wireless IP Phone 8821 and 8821-EX Administration Guide.

Caution

Do not use chargers or handsfree mode in a Potentially Explosive Atmosphere. Do not charge the phone if it is wet.

Built-in Speakerphone

The charger includes a speakerphone that you can use while the phone is docked. Use the phone volume buttons to control the speakerphone volume, and the Mute button on the charger itself. When the speakerphone is muted, the Mute button lights red.

Phone Charging Indications

When you put the phone into the charger, the phone indicates that the battery is charging with the red LED on the top of the phone. If the phone is turned on when you put it into the charger, you see a message on the screen. If the phone is turned off or the battery is too weak, you see an icon displayed on the screen. When the battery is charged, the phone LED is green.

Spare Battery Charging Indications

You can charge a spare battery with the additional charging port behind the main phone charging port. When you put a spare battery into the charger, the Battery LED (to the right of the phone) lights to show the charging status:

• Red—The spare battery is charging.

• Green—The spare battery is fully charged.

You can charge up to six Cisco Wireless IP Phone 8821 and six spare batteries at the same time with the Cisco Wireless IP Phone 8821 Multi Charger. If your phone is in a protective case, you can charge it without removing the case. This charger has a label on the back to show the maximum voltage (4.35 V).

You can charge up to six Cisco Wireless IP Phone 8821-EX and six spare batteries at the same time with the Cisco Wireless IP Phone 8821-EX Multi Charger. If your phone is in a protective case, you can charge it without removing the case. The charger looks the same as the Cisco Wireless IP Phone 8821 Multi Charger except that it shows the graphic of the Cisco Wireless IP Phone 8821-EX and doesn't have the voltage label.

The following figure shows the multicharger. The phones are placed in the charging cups on the left and right, and the spare batteries are placed in the center.

You can place the multicharger on a work surface or mount it on a wall with the wall mount kit. You can also secure the multicharger with a standard laptop cable lock.

Caution

The Cisco Wireless IP Phone 8821 Multi Charger can only charge the Cisco Wireless IP Phone 8821 and a spare battery for that phone. You can't charge the Cisco Wireless IP Phone 8821-EX or its spare batteries in the Cisco Wireless IP Phone 8821 Multi Charger.

In this document, the term multicharger refers to both chargers.

The LED on the phone shows the charging status. When the battery is charging, the LED lights red. When the battery is charged, the LED lights green.

The LED beside the spare battery shows the charging status. When the battery is charging, the LED lights red. When the battery is charged, the LED lights green.

Battery slot LEDs can take several minutes to indicate that the battery is fully charged. If you move a fully-charged battery to another slot, the LED might initially light red before it turns green.

Caution

Do not use chargers in a Potentially Explosive Atmosphere. Do not charge the phone if it is wet.