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Cisco 8851 IP Phone

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28/09/2020 £258.70 exc. VAT
310.44 inc. VAT
Availability:In stock for next day delivery
Key Features
  • 2x Gigabit Ethernet Switch
  • PoE IEEE 802.3af/at Class 3 compliant
  • 1 x USB ports

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Cisco 8851 IP Phone

With the Cisco 8851 IP Phone, 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 new 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 on-premises and hosted infrastructure platforms. It is also supported on third party hosted call control services.

Cisco 8851 Key Features

  • 5" high-resolution colour display (800x480 pixel)
  • 2x Gigabit Ethernet Switch
  • PoE IEEE 802.3af/at Class 3 compliant (PSU available separately)
  • Wideband audio (G.722)
  • 5 SIP accounts (5 programmable line keys)
  • Hands-free talking (speaker phone)
  • 1 x USB ports
  • Compatible with up to 2 x Cisco IP Phone 8800 Key Expansion Modules

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.

Cisco 8851 - Technical Specifications

Features and Benefits

  • Ergonomic design The phone offers an easy-to-use interface and provides a traditional telephony-like user experience.
  • Graphical display The 800 × 480, 24-bit color, 5-in. WVGA display provides scrollable access to calling features and text-based
  • XML applications.
  • 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.
    Speaker phone A full-duplex speakerphone gives you flexibility in placing and receiving calls with hands free. For added security, the audible dual tone multifrequency (DTMF) tones are masked when the speakerphone mode is used.
  • 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.
  • USB A side USB port enhances the usability of call handling by enabling wired or wireless headsets, as well as
    provides up to 500-mA power output at 5V or 2.5W for smartphone charging.
  • 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 a RJ-45 interface with single LAN connectivity for both the phone and a co-located PC.
    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 3.0 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

Features and Specification

  • 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-detection of headset
    Busy Lamp Field (BLF)
    Busy Lamp Field (BLF) Pickup
    Busy Lamp Field (BLF) speed dial
    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
    Immediate divert
    Malicious-caller ID
    Message-waiting indicator (MWI)
    Meet-me conference
    Music on hold (MoH)
    Network profiles (automatic)
    On- and off-network distinctive ringing
    Personal directory
    Predialing before sending
    Private Line Automated Ringdown (PLAR)
    Ring tone per line appearance
    Service Uniform Resource Locator (URL)
    Shared line
    Silent monitoring and recording
    Speed dial
    Time and date display
    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)
    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

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