Cisco Headset 521 and 522
The Cisco Headsets 521 and 522 are two wired headsets that have been developed for use on Cisco IP Phones
and devices. The Cisco Headset 521 features a single earpiece for extended wear and comfort. The Cisco
Headset 522 features two earpieces for use in a noisy workplace.
Both headsets feature a 3.5-mm connector for use on laptops and mobile devices. An inline controller with a
USB connector is also available for use on the Cisco IP Phone 8851, 8861, and 8865 with Multiplaform
Firmware. The controller is an easy way to answer your calls, and to access basic phone features such as hold
and resume, mute, and volume control.
The Cisco Headsets 521 and 522 require Multiplatform Firmware Release 11.2(3) or later version. Upgrade
your phones to the latest firmware before using these headsets.
To check your phone model and the firmware version, press Applications and select Status > Product
information. The Product name field shows your phone model. The Software version field shows the
installed load where you can get the firmware version.
Cisco Headset 521 and 522 Buttons and LED
Your controller buttons are used for basic call features.
Figure 3: Cisco Headset 521 and 522 Controller
The following table describes the Cisco Headset 521 and 522 controller buttons.
Table 94: Cisco Headset 521 and 522 Controller Buttons
DescriptionNameNumber
Toggle the microphone on and off.
Mute button
1
Adjust the volume on your headset.
Volume button (
and )
2
Cisco IP Phone 8800 Series Multiplatform Phone Administration Guide for Release 11.3(1) and Later
467
Cisco IP Phone Accessories
Cisco Headset 521 and 522
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