Cisco 8851NR User Manual

Change the Ringtone
You can change the sound that your phone uses for incoming calls.
Procedure
Step 1 Press Applications .
Step 2 Select Settings > Ringtone.
Step 3 Select a line.
Step 4 Scroll through the list of ringtones and press Play to hear a sample.
Step 5 Press Set to use the ringtone.
Adjust the Screen Brightness
You can change the brightness of the phone screen to make it easier to read.
Procedure
Step 1 Press Applications .
Step 2 Select Settings > Brightness.
Step 3 Press the Navigation cluster left to decrease, or right to increase, the brightness.
Step 4 Press Save.
Adjust the Contrast
You can change the contrast of your Cisco IP Phone 8811 to make the screen easier to read.
To check which phone model you have, press Applications and select Phone information. The Model
number field shows your phone model.
Procedure
Step 1 Press Applications .
Step 2 Select Settings > Contrast.
Step 3 Select Contrast.
Step 4 Press the Navigation cluster left to decrease, or right to increase the contrast.
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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