Free shipping on all UAE order

All Products
More Categories Close Menu

14 Years Of Experience

  • Gear Net Technologies LLC
  • sira-removebg-preview

Product Details


Cisco CP-8851-K9 IP Phone


Model: CP-8851-K9 Cisco 8800 IP Phone
Detail: Cisco IP Phone CP-8851-K9, BYOD, widescreen VGA, Bluetooth, High-quality Voice Communication

Share this product


The Cisco IP Phone 8851 ( Cisco CP-8851-K9 = ) is an enterprise-level collaboration endpoint that combines high-fidelity, reliable, secure, and scalable voice communications with Cisco Intelligent Proximity for personal mobile device phone integration.

It supports large and medium-sized and Cisco IP Phone 8851 ( Cisco CP-8851-K9 = ), and you can improve your personal work efficiency through a powerful and easy-to-use engaging user experience. The 8851 IP phone combines an attractive new ergonomic design and broadband audio to provide crystal clear voice communication, "always-on" reliability, encrypted voice communication for increased security, and access to a full set of server unified communication functions. Cisco Communications.

Similar Items

Check Cisco All IP Phones

Cisco provides 7800, 8800 and more IP Phones for all-size business needs.

Cisco CP-8851-K9 integrates 5 inches high-resolution widescreen VGA backlit color display. It supports Localized language to meet the needs of global users. Bluetooth 3.0 supports phone book object exchange between devices, two USB ports enhance the usability of call handling by enabling wired or wireless headsets, as well as provide charging capability to mobile devices such as smartphones or tablets. The five programmable line keys support multiple directory numbers or calling features.

Quick Specs

Table 1 shows the Quick Spec.

Product Code  Cisco CP-8851-K9
Display 5” high-resolution (800 x 480) WVGA color display
Ethernet Switch 10/100/1000
Programmable Line Keys 4
Number of Line Keys 5
Full Duplex Speakerphone Yes
Wideband Audio Yes
PoE Classification Class 3
Bluetooth / DECT Bluetooth
USB (Physical Ports) 2 Ports
KEM (Key Expansion Module) Two Optional KEM
Third-party Call Control Yes
Replaceable Bezel Yes (Black, Silver)
Wall Mountable Yes

Product Details

Before you use the Cisco IP Phone 8851, it connects to the corporate IP telephony network.


Number Description
AC power wall plug (optional)
Network port (10/100 SW) connection. IEEE 802.3af power enabled.
Access port (10/100 PC) connection.
Auxiliary port (optional).
Handset connection.
Analog headset connection (optional).
2 USB ports


Number Buttons Number Buttons
Handset light strip Mute button
Programmable feature

buttons and Session


Headset button
Phone screen Keypad
Softkey buttons Volume button
Navigation cluster and Select button Applications button
Release Button Messages button
Transfer button Contacts button
Hold/Resume button Back button
Conference button Handset
Speakerphone button

CP-8851-K9 offers up to two optional Key Expansion Modules. The modules should order separately.

Compare to Similar Items

Table 2 shows the comparison of Cisco IP Phone 8811, 8831, 8841 and 8851.

Model CP-8811-K9 CP-8831-K9 CP-8841-K9 CP-8851-K9
Ethernet Switch 10/100/1000 10/100 10/100/1000 10/100/1000
Programmable Line Keys 4 4 4 4
Number of Line Keys 5 1 5 5
Full Duplex Speakerphone Yes Yes Yes Yes
Wideband Audio Yes Yes Yes Yes
PoE Classification Class 2 Class 3 Class 2 Class 3
Bluetooth / DECT No DECT (mics) No Bluetooth
Third-party Call Control Yes Yes Yes Yes
Replaceable Bezel Yes (Black, Silver) No Yes (Black, Silver) Yes (Black, Silver)
Wall Mountable Yes No Yes Yes

Cisco CP-8851-K9 Specification

 Cisco CP-8851-K9 Specifications

Audio codec support
  • G.711 a-law and mu-law, G.722, G.729a, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC)
Key call features support
  • + Dialing
  • Abbreviated dialing
  • Adjustable ring tones and volume levels
  • Adjustable display brightness
  • Agent greeting
  • Auto-answer
  • Auto-detection of headset
  • cBarge
  • Busy Lamp Field (BLF)
  • Busy Lamp Field (BLF) Pickup
  • Busy Lamp Field (BLF) speed dial
  • Callback
  • Call forward
  • Call forward notification
  • Call filter
  • Call history lists
  • Call park
  • Call pickup
  • Call timer
  • Call waiting
  • Call chaperone
  • Caller ID
  • Corporate directory
  • Conference, including traditional Join feature
  • Cross Cluster Extension Mobility (EMCC)
  • Direct transfer
  • Extension mobility
  • Fast-dial service
  • Forced access codes and client matter codes
  • Group call pickup
  • Hold
  • Intercom
  • Immediate divert
  • Malicious-caller ID
  • Message-waiting indicator (MWI)
  • Meet-me conference
  • Mobility
  • Music on hold (MoH)
  • Mute
  • Network profiles (automatic)
  • On- and off-network distinctive ringing
  • Personal directory
  • PickUp
  • Predialing before sending
  • Privacy
  • Private Line Automated Ringdown (PLAR)
  • Redial
  • Ring tone per line appearance
  • Service Uniform Resource Locator (URL)
  • Shared line
  • Silent monitoring and recording
  • Speed dial
  • Time and date display
  • Transfer
  • Uniform Resource Identifier (URI) dialing
  • Visual voice mail
  • Voice mail
  • Whisper coaching
Electronic hookswitch
  • You can control the hookswitch electronically with a third-party headset connected to either the USB port or auxiliary port, or directly paired with the phone through bluetooth.
Cisco Intelligent Proximity
  • Audio path moving sends audio through the IP Phone 8851 for a mobile device-connected call.
  • Call history synchronization allows you to view placed and missed calls of your mobile device from the
    IP Phone 8851.
  • Contact synchronization allows you to synchronize the contact objects from your mobile device to your
    IP Phone 8851.
Quality-of-service (QoS) options
  • The phone supports Cisco Discovery Protocol and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID.
Network features
  • Session Initiation Protocol (SIP) for signaling
  • Session Description Protocol (SDP)
  • IPv4 and IPv6
  • User Datagram Protocol (UDP) (used only for Real-Time Transport Protocol [RTP] streams)
  • Dynamic Host Configuration Protocol (DHCP) client or static configuration
  • Gratuitous Address Resolution Protocol (GARP)
  • Domain Name System (DNS)
  • Trivial File Transfer Protocol (TFTP)
  • Secure Hypertext Transfer Protocol (HTTPS)
  • VLAN
  • Real-Time Transport Protocol (RTP)
  • Real-Time Control Protocol (RTCP)
  • Cisco Peer-to-Peer Distribution Protocol (PPDP)
  • Cisco Discovery Protocol
  • LLDP (including LLDP-MED)
  • Switch speed auto-negotiation
Security features
  • Secure boot
  • Secure credential storage
  • Device authentication
  • Configuration file authentication and encryption
  • Image authentication
  • Random bit generation
  • Hardware cryptographic acceleration
  • Certificate Authority Proxy Function (CAPF)
  • Manufacturer-Installed Certificates (MIC)
  • Locally Significant Certificates (LSC)
  • Ethernet 802.1x supplicant options: Extensible Authentication Protocol-Flexible Authentication via Secure Tunneling (EAP-FAST) and Extensible Authentication Protocol-Transport Layer Security (EAP-TLS)
  • Signaling authentication and encryption using TLS
  • Media authentication and encryption using SRTP
  • HTTPS for client and server
  • Secure Shell (SSH) Protocol server
  • Secure Sockets Later (SSL)-based VPN client
Physical dimensions
(H × W × D)
  • 9.02 x 10.13 x 1.57 in. (229.1 x 257.34 x 40 mm) (excluding foot stand)
Weight (with handset)
  • 2.62 lb (1.19 kg)
Phone-casing composition
  • Polycarbonate acrylonitrile butadiene styrene (ABS) textured plastic; Cosmetic class A
Operational temperature
  • 32 to 104°F (0 to 40°C)
Nonoperational temperature shock
  • 14 to 140°F (-10 to 60°C)
  • Operating 10 to 90%, noncondensing
  • Non-operating 10 to 95%, noncondensing
Language support
  • Arabic (Arabic Area)
  • Bulgarian (Bulgaria)
  • Catalan (Spain)
  • Chinese (China)
  • Chinese (Hong Kong)
  • Chinese (Taiwan)
  • Croatian (Croatia)
  • Czech (Czech Republic)
  • Danish (Denmark)
  • Dutch (Netherlands)
  • English (United Kingdom)
  • Estonian (Estonia)
  • French (France)
  • French (Canada)
  • Finnish (Finland)
  • German (Germany)
  • Greek (Greece)
  • Hebrew (Israel)
  • Hungarian (Hungary)
  • Italian (Italy)
  • Japanese (Japan)
  • Latvian (Latvia)
  • Lithuanian (Lithuania)
  • Korean (Korea Republic)
  • Norwegian (Norway)
  • Polish (Poland)
  • Portuguese (Portugal)
  • Portuguese (Brazil)
  • Romanian (Romania)
  • Russian (Russian Federation)
  • Spanish (Columbia)
  • Spanish (Spain)
  • Slovak (Slovakia)
  • Swedish (Sweden)
  • Serbian (Republic of Serbia)
  • Serbian (Republic of Montenegro)
  • Slovenian (Slovenia)
  • Thai (Thailand)
  • Turkish (Turkey)
Certification and compliance
  • Regulatory compliance

◦   CE Markings per directives 2004/108/EC and 2006/95/EC

  • Safety

◦   UL 60950 Second Edition

◦   CAN/CSA-C22.2 No. 60950 Second Edition

◦   EN 60950 Second Edition (including A11 & A12)

◦   IEC 60950 Second Edition (including A11 & A12)

◦   AS/NZS 60950

◦   GB4943

  • EMC – Emissions

◦   47CFR Part 15 (CFR 47) Class B

◦   AS/NZS CISPR22 Class B

◦   CISPR22: 2005 w/Amendment 1: 2005 Class B

◦   EN55022: 2006 w/Amendment 1: 2007 Class B

◦   ICES003 Class B

◦   VCCI Class B

◦   EN61000-3-2

◦   EN61000-3-3

◦   KN22 Class B

  • EMC – Immunity

◦   EN55024

◦   CISPR24

◦   EN60601-1-2

◦   KN24

◦   Armadillo Light

  • Telecom

◦   FCC Part 68 HAC

◦   CS-03-HAC

◦   AS/ACIF S004

◦   AS/ACIF S040

◦   NZ PTC 220

◦   Industry Standards: TIA 810 and TIA 920

◦   Industry Standards: IEEE 802.3 Ethernet, IEEE 802.3af and 802.3at

◦   Korea (RRA Public Notification 2010-36, Nov 01, 2010)

◦   Korea (RRA Announce 2011-2, Feb 28, 2011)

  • Radio

◦   FCC Part 2.1093 (BT RF Exposure TR)

◦   RSS-102 (BT RF Exposure TR)

◦   RSS-210

◦   EN 300.328

◦   EN50385 (BT RF Exposure TR)

◦   EN 301-489-1

◦   EN 301-489-17

◦   NCC LP0002

◦   Korea (RRL No. 2006-128, RRL No. 2006-129)

◦   Japan Bluetooth GFSK/EDR