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  6. Item#: 0ZK-01JT-03ZB1

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    Cisco 6851 IP Phone - Corded, Wall Mountable, Desktop - Charcoal, 4 x Total Line - VoIP - 2 x Network (RJ-45) - PoE Ports

    Be the first to review this product...
    • The 8832 unit has a sleek form by using approachable materials for a differentiated, modern look and feel. The key design elements include the following:
    • 3.9-inch 480x128-pixel color LCD
    • Textile cover for soft touch and durability
    • Large mute button in the middle of the device for easy access from all angles
    • LED indicator above the mute button showing the call status
    • Raised edge for easier handling and repositioning on tabletop
    • Crisp, precise button tactility
    • Single USB-C port on the device to minimize the number of cables on the table (an Ethernet injector is required for any non-Wi-Fi deployment)
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    The Cisco IP Phone 6800 Series with Multiplatform Phone (MPP) Firmware is a cost-effective, high-fidelity voice communications portfolio designed to improve your organization's person-to-person communications while reducing your operating costs on approved Unified- Communications-as-a-Service (UCaaS) platforms. The 6800 Series combines an attractive, new ergonomic design with always-on" reliability and secure encrypted communications. The phones deliver advanced IP telephony features and wideband audio capabilities with an easy-to-use, full-featured voice communications experience.
    "IP Phone Technology: VoIPHandset
    Connectivity Technology: CordedBase Unit
    Connectivity Technology: CordedTotal Number of
    Phone Lines: 4Caller
    ID:
    YesSpeakerphone: YesDisplay
    Color: MonochromeNetwork
    (RJ-45): YesNumber of
    Network (RJ-45) Ports: 2PoE (RJ-45)
    Port: YesCommunication
    Protocols: SIP
    Communication Protocols: IPv4Communication
    Protocols: DHCP
    Communication Protocols: SNTP
    Communication Protocols: NAT
    Communication Protocols: STUN
    Communication Protocols: UDP
    Communication Protocols: TCP
    Communication Protocols: LLDP
    Communication Protocols: SRTP
    Communication Protocols: TLS
    Communication Protocols: LDAP
    Communication Protocols: IPv6Power
    Source: AC
    AdapterForm Factor: Wall
    MountableForm Factor:
    DesktopHeight: 8.2W
    idth: 10.4"D
    epth: 1.3"W
    eight (Approximate): 1.36 lbEnergy
    Star: YesLimited
    Warranty: 1 Year"

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Limited Warranty period (parts): 1 year
    • Limited Warranty period (labor): 1 year
    • Read full details

    Return Policies

      We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.

    • Return for refund until: January 31, 2027
    • Return for replacement until: January 31, 2027
    • This item is covered by Newegg.com's Extended Holiday Return Policy.
    • Read full return policy for details.

    Manufacturer Contact Info

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    The Cisco 6851 is a corded, four-line VoIP phone with caller ID, speakerphone, and two RJ-45 network ports, suited to offices that need a desk or wall-mountable business phone.

    Recommended For

    • Office employees who make and receive calls from a fixed desk and whose organization already uses a Cisco-supported MPP calling platform; Cisco positions the 6800 MPP series for business voice communications.
    • Receptionists and office coordinators who need a wired desk phone with four SIP registrations and programmable line keys for handling multiple lines or call features.
    • Employees who prefer handset, speakerphone, or a compatible wired headset for regular voice calls at their workstation.
    • Businesses with wired Ethernet desks that want PoE-powered phones and a second Ethernet port for a connected workstation.

    Spec Summary

    AttributeValue
    Best ForCorded VoIP calling in desktop or wall-mounted installations, with four phone lines and dual network ports
    Model IdentifiersCisco IP Phone 6851, part number CP-6851-3PW-NA-K9=
    Calling FeaturesCaller ID and speakerphone; supports two-way conference calls
    Display And ControlsMonochrome display with a single keypad dialer
    Network And ProtocolsTwo RJ-45 network ports, including PoE; supports SIP, IPv4, IPv6, DHCP, SNTP, NAT, STUN, UDP, TCP, LLDP, SRTP, TLS, and LDAP
    PowerPowered by an AC adapter
    Physical SpecificationsCharcoal; desktop or wall-mountable; 10.4 × 8.2 × 1.3 inches (W × H × D); approximately 1.36 lb