Cisco 8851NR User Manual

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.
Procedure
Step 1 Press Applications .
Step 2 Select Accessories > Analog headset > Setup.
Step 3 Press On or Off to enable or disable wideband for the analog headset.
Step 4 Press Return .
Enable an E-Hookswitch Headset
Electronic Hookswitch headsets use a base station and a wireless headset. The base station plugs into your
phone headset jack. After installing the headset, you enable it on the Cisco Unified Communications Manager.
Procedure
Step 1 Press Applications .
Step 2 Navigate to Settings > E-Hookswitch connected.
Step 3 Select Yes.
Cisco Headset Customization
Some Cisco 500 series headsets are available with a USB adapter that allows you to customize your settings.
The headset retains the settings when you switch phones.
You can customize your headset settings if you have one of the following Cisco headsets:
• Cisco Headset 521 and 522
• Cisco Headset 531 and 532
Related Topics
Cisco Headset 500 Series, on page 94
Adjust Your Bass and Treble
You can adjust the bass and treble to customize the headset sound. If you like a headset with a lot of bass,
then adjust toward the warm setting. If you prefer more treble, then adjust toward the bright setting.
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Cisco 8851NR Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Case material	Acrylonitrile butadiene styrene (ABS)
Product color	Charcoal
Wall mountable	Yes
Lines quantity	5 lines
Phonebook capacity	- entries
Number of VoIP accounts	-
Volume control	Digital
Display diagonal	5 \
Display resolution	800 x 480 pixels
Voice codecs	G.711Mu, G.711a, G.722, G.729A, iLBC
Number of microphones	1
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	IEEE 802.3i/802.3u/802.3ab
Ethernet LAN (RJ-45) ports	2
Storage temperature (T-T)	-10 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 90 %
Number of handles included	- pc(s)

Weight and Dimensions

Depth	257.34 mm
Width	229.1 mm
Height	40 mm
Weight	1190 g