[shortdesc]

VoIP phone
SIP
RTCP
RTP
SRTP
SDP
5 lines

[/shortdesc]

[properties]

Properties	CP-8851-W-K9
Description	● Cisco IP Phone 8851, White
Product Family	Cisco IP Phone 8800 Series
Product Type	IP Phones
Hardware Features
Graphical display	● The 800 × 480, 24-bit color, 5-in. WVGA display provides scrollable access to calling features and textbased XML applications.
Audio	● Automatic Gain Control
	● Comfort Noise Generation
	● Silence Suppression/Voice Activity Detection
	● Acoustic Echo Cancellation (AEC)
	● Dynamic Noise Reduction
Audio codec support	● G.711 a-law and mu-law, G.722, G.729a/b, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC), G.722.1, G.772.2, OPUS
Handset	● The handset is a standard wideband-capable audio handset (connects through an RJ-9 port).
	● The standard coiled cord has a custom end for concealed cable routing beneath the phone
	(cord length is approximately 21 in. [55 cm] coiled and up to 72 in. (183 cm) extended).
	● The handset is Hearing Aid-Compatible (HAC) and meets Federal Communications Commission (FCC)
	loudness requirements for the Americans with Disabilities Act (ADA). You can achieve Section 508
	loudness requirements by using industry-standard inline handset amplifiers such as Walker Equipment
	W-10 or CE-100 amplifiers. The dial pad is also ADA-compliant.
Analog headset	● The analog headset jack is a standard wideband-capable RJ-9 audio port
AUX port	● You can use an auxiliary port to support electronic hookswitch control with a third-party headset connected to it
Ethernet switch	● An internal 2-port Cisco Ethernet switch allows for a direct connection to a 10/100/1000BASE-T Ethernet network (IEEE 802.3i/802.3u/802.3ab) through an RJ-45 interface with single LAN connectivity for both the phone and a co-located PC
Ethernet switch	● The system administrator can designate separate VLANs (IEEE 802.1Q) for the PC and phone, providing improved security and reliability of voice and data traffic
Bluetooth	● Bluetooth 4.1 LE, Enhanced Data Rate (EDR) Class 1 technology (up to 66-ft [20m] range) is supported
	● Hands-Free Profile (HFP) is supported for untethered headset connections and voice communications
	● Phone Book Access Profile (PBAP) is supported for phone book object exchange between devices
Keys	● The phone has the following keys:
	◦ Line keys
	◦ Soft keys
	◦ Back and release keys
	◦ Four-way navigation and select keys
	◦ Hold/Resume, Transfer, and Conference keys
	◦ Messaging, Application, and Directory keys
	◦ Standard keypad
	◦ Volume-control toggle key
	◦ Speakerphone, headset, and mute keys
Backlit indicator	● The phone supports backlit indicators for the audio path keys (Handset, Headset, and Speakerphone), select key, line keys, and message waiting
Replaceable bezel	● The phone includes a black bezel; an optional silver bezel is also orderable separately
Dual-position foot stand	● The display is easy-to-view and the buttons and keys are easy-to-use. The two-position foot stand supports viewing angles of 35 and 50 degrees; you can remove the foot stand for wall mounting, with mounting holes located on the base of the phone
Wall-mountable	● You can install the phone on a wall using an optional wall-mount kit.
Physical security	● The phone is compatible with the Kensington Security Slot (K-Slot) antitheft system
IEEE Power over Ethernet (PoE)	● IEEE Power over Ethernet class 3 for hardware version prior to V08, class 4 for hardware version V08
	and above. In PoE class 3 case, one KEM can be attached and powered up through PoE together with
	the host 8851 phone, in PoE class 4 case, two KEMs can be attached and powered up through PoE
	together with the host 8851 phone.
	● The phone is compatible with both IEEE 802.3af and 802.3at switch blades and supports both Cisco
	Discovery Protocol and Link Layer Discovery Protocol - Power over Ethernet
	(LLDP-PoE).
Cisco IP Phone Power Cube 4	● This optional power cube is used as an AC-to-DC (48V) power supply for non-PoE deployments. Use of the power cube 4 also requires the use of one of the corresponding AC country cords
Cisco Unified Communications Manager	● 8.5.1 (non-secured mode only)
	● 8.6.2
	● 9.1.2
	● 10.5.2
	● 11.0 and later
Cisco Unified Communications Manager Express	● 10.0 and later through fast track
(Unified CME)	● 10.0 and later through fast track
Cisco Business Edition 6000 (BE 6000)	● 8.6.2
	● 9.1.2
	● 10.5.2
	● 11.0 and later
Cisco Hosted Collaboration Solution (HCS)	● 8.6.2 and later (using supported UCM versions above)

[/properties] [specifications]

Audio codec support	● G.711 a-law and mu-law, G.722, G.729a/b, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC), G.722.1, G.772.2, OPUS
Call features	● + 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)
Call features	● 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 you can configure it 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 (EAPTLS) ● 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)
Phone-casing composition	● Polycarbonate acrylonitrile butadiene styrene (ABS) textured plastic; Cosmetic class A
Operating temperature	● 32 to 104°F (0 to 40°C)
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

[/specifications] [accesories] [/accesories]

The Cisco IP Phone 8851 is a business-class collaboration endpoint that combines high-fidelity, reliable, secure, and scalable voice communications with Cisco Intelligent Proximity for telephony integration for personal mobile devices to support midsize to large enterprise businesses. With the Cisco IP Phone 8851, you can increase personal productivity through an engaging user experience that is both powerful and easy-to-use. The IP Phone 8851 combines an attractive ergonomic design with wideband audio for crystal clear voice communications, "always-on" reliability, encrypted voice communications to enhance security, and access to a comprehensive suite of unified communication features from Cisco communication servers. In addition, Cisco Intelligent Proximity brings the worlds of desk and mobile together for you when you are using your mobile device at the desk for your work. You can move the audio path over to the Cisco IP Phone 8851 during active mobile calls to take advantage of its superior audio acoustics. An example would be to share a conversation with a colleague who you want to listen in. This capability gives you greater flexibility and a superior user experience when at your desk. The IP Phone 8851 also comes standard with a USB port so you can charge your smartphone when at your desk, and stay connected when away from your desk. The Cisco IP Phone 8851 offers five programmable line keys. You can configure keys to support either multiple directory numbers or calling features such as speed dial. You can also boost productivity by handling multiple calls for each directory number using the multi-call-per-line feature. Fixed-function keys give you one-touch access to applications, messaging, directory, as well as often-used calling features such as hold/resume, transfer, and conference. A five-way navigation cluster helps you transition through menus more easily. Backlit acoustic keys provide flexibility for audio path selection and switching.

Cisco IP Phones