Cisco 6851 IP phone Black 4 lines Wi-Fi

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In Stock: 15 available
3.5" 396 x 162, RJ-9, 4 lines (SIP registrations)
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. The Cisco IP Phone 6800 Series provides four phone models (and an optional Key Expansion Module) to the Cisco Multiplatform P hone (MPP) portfolio (Figure 1): - Cisco IP Phone 6851 with Multiplatform Firmware, supporting four SIP registrations Only the 6851 supports the Key Expansion Module (KEM). Cisco IP Phone 6800 Series product overview The line buttons on each model are fully programmable. You can set up line buttons to support either SIP registrations, or call features, such as speed dialing. You can also boost productivity by handling multiple calls for each SIP registration, using the multiple-calls-per-line appearance feature. Tricolor LEDs on the line buttons support the calling features and make the phone simple to use. An affordable way to purchase hardware Cisco Webex Hardware as a Service provides a new way to purchase hardware with a simple, scalable and flexible way to pay. Stay up to date with the latest models of IP Phones and Webex Devices to enhance collaboration and create workspaces for the future. And get ready for all the power of Cisco's unified cloud platform! Learn more about Webex Hardware as a Service and the devices available. Cisco IP Phone 6800 Key Expansion Module product overview The Cisco IP Phone 6800 Key Expansion Module (KEM) extends the capabilities of the Cisco IP Phone 6851 with additional buttons. This module adds 14 physical buttons along with access to 14 additional buttons via the page buttons, for a total of 28 additional buttons. The KEM supports the Programmable Line Key (PLK) function, but does not support any SIP registrations. Calls may be monitored and answered using the PLK function, but calls may not initiated from the KEM. The 6851 IP phone supports one KEM only. Fixed function buttons on the 6800 series phones give you one-touch access to service, messaging, directory, hold/resume, transfer, and conference features. A full-duplex speakerphone lets you set up clear multiparty conferences for flexible, productive collaboration. The 6800 series provides exceptional noise isolation when used with a Cisco 500 Series Headset. The Cisco IP Phone 6800 Series maintains the same usability standards and standards for a context-sensitive user experience as the Cisco IP Phone 7800 Series. The 6821 IP phone has a 2.5-inch (240x120-pixel) grayscale display with white backlighting for easy reading. The 6861 has a 3.2-inch (320x120-pixel) LCD. The 6841 and 6851 IP phones each have a high-resolution 3.5-inch (396x162-pixel) grayscale display with white backlighting. The 6871 IP phone has a high-resolution 3.5-inch (480x272-pixel) color LCD. Localized language support is available for global users. See Table 6 for a list of available languages. The 6800 Series is also energy-efficient and eco-friendly, to support green initiatives. The 6821 and 6851 support Power over Ethernet (PoE) Class 2. The 6871 supports Power over Ethernet (PoE) Class 3. The 6821, 6841, 6851, 6861 and 6871 are Energy Star certified. The 6841, 6851, 6861 and 6871 support a power-save option that reduces power consumption during off-hours, saving costs by increasing energy efficiency. The 6861 phone is Wi-Fi enabled phone in 6800 series. It supports built-in dual band Wi-Fi up to 802.11n. Also provides reliable wireless connection and convenient connection to access point via WPS (Wi-Fi Protected Setup). The 6800 Series is ideal for businesses that want to update their phone systems from traditional analog or digital-based systems to an IP communications system with supported multiplatform call control systems.
SKU CP-6851-3PCC-K9=
EAN 0889728068338
Handset typeWired handset
Expansion module supportYes
Product colourBlack
Backlight colourWhite
Technical details
Handset typeWired handset
Expansion module supportYes
Backlight colourWhite
Harmonized System (HS) code85171800
Product typeIP Phone
Handset typeWired handset
Product colourBlack
Phone features
Call transferYes
Lines quantity4 lines
Speed diallingYes
Full duplexYes
Do not disturb functionYes
Distinctive ringYes
Caller IDYes
Call waitingYes
Call parkYes
Call holdYes
Call forwardingYes
Anonymous call rejectionYes
Anonymous callYes
Call historyYes
Display number of coloursMonochrome
Display resolution396 x 162 pixels
Display diagonal8.89 cm (3.5")
Backlight displayYes
Backlight colourWhite
Front cameraNo
Microphone muteYes
Ethernet LAN interface typeGigabit Ethernet
Ethernet LAN data rates10,100,1000 Mbit/s
Wi-Fi standards802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Supported network protocolsWEP, WPA-PSK, WPA2-PSK, EAP-FAST, PEAP-GTC, PEAP-MSCHAP2
Quality of Service (QoS) supportYes
Ethernet LANYes
DHCP clientYes
Product colourBlack
Microphone muteYes
Ports & interfaces
RJ-9 ports quantity1
Expansion module supportYes
Ethernet LAN (RJ-45) ports2
SafetyUL 60950, CAN/CSA-C22.2 No. 60950 Second Edition, EN 60950 Second Edition (including A11 and A12), IEC 60950 Second Edition (including A11 and A12), AS/NZS 60950
Compliance industry standardsTIA 810 TIA 920 IEEE 802.3 Ethernet, IEEE 802.3af (for CP-6851 only)
Certification- 47CFR Part 15 (CFR 47) Class B - AS/NZS CISPR32:2015 Class B - CISPR 32: 2015_COR1:2016 Class B - EN55032: 2015+AC:2016 - ICES003 Class B - EN61000-3-2:2014 and IEC 61000-3-2:2014 - EN61000-3-3:2013 and IEC61000-3-3:2013 - EN55024 - CISPR24 - Armadillo Light - FCC Part 68 HAC - CS-03-HAC - AS/ACIF S004 - AS/ACIF S040 - NZ PTC 220
Power over Ethernet (PoE)Yes
Operational conditions
Storage temperature (T-T)-10 - 60 °C
Storage relative humidity (H-H)10 - 95%
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)10 - 90%
Weight & dimensions
Width207 mm
Depth265 mm
Height33 mm
Weight615 g
Packaging content
Number of handles included1 pc(s)
Manufacturer Cisco
In Stock Y