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Cisco 8851NR User Manual

Cisco 8851NR
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Step 3 Select Join.
Intercom Calls
You can use an intercom line to place and receive one-way calls.
When you place an intercom call, the recipient’s phone answers the call automatically with mute activated
(whisper mode).Your message is broadcast through the recipient’s speakerphone, headset, or handset, if one
of these devices is active.
But sometimes intercom calls are rejected when you are on a call. This depends upon how your company's
phone network is set up. Contact your administrator for additional information.
After receiving the intercom call, the recipient can start two-way audio (connected mode) to allow for further
conversation.
Make an Intercom Call
When you place an intercom call, your phone enters whisper mode until the recipient accepts the intercom
call. In whisper mode, the other person can hear you, but you can't hear them. If you are on an active call, that
call is placed on hold.
Procedure
Step 1 Press Intercom.
Step 2 (Optional) Enter the intercom code.
Step 3 Listen for the intercom alert tone, and then begin speaking.
Step 4 Press Intercom to end the call.
Answer an Intercom Call
You can answer an intercom call to talk to the other person.
Before you begin
You receive a message on your phone screen, and an audible alert. Your phone answers the intercom call in
whisper mode.
Procedure
Step 1
Step 2
Press Intercom to switch to connected mode. Speak to the intercom caller.
Press Intercom to end the call.
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Cisco 8851NR Specifications

General IconGeneral
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Case materialAcrylonitrile butadiene styrene (ABS)
Product colorCharcoal
Wall mountableYes
Lines quantity5 lines
Phonebook capacity- entries
Number of VoIP accounts-
Volume controlDigital
Display diagonal5 \
Display resolution800 x 480 pixels
Voice codecsG.711Mu, G.711a, G.722, G.729A, iLBC
Number of microphones1
Ethernet LAN data rates10, 100, 1000 Mbit/s
Ethernet LAN interface typeGigabit Ethernet
Supported network protocolsIEEE 802.3i/802.3u/802.3ab
Ethernet LAN (RJ-45) ports2
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 IconWeight and Dimensions
Depth257.34 mm
Width229.1 mm
Height40 mm
Weight1190 g

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