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Cisco IP Phone 6851

Name: Cisco IP Phone 6851
Brand: CISCO
SKU: ECE4646380
Price: 213.29 EUR
Availability: OutOfStock

View all CISCO IP Phones - Visit the CISCO Store (CP-6851-3PW-UK-K9=) - (ECE4646380)

Model: Cisco IP

IP Phone 6851 - VoIP phone - SIP, SRTP - 4 lines - charcoal

LARGE DISPLAY
HEADSET COMPATIBLE
EXPANDABLE
OPTIMAL PERFORMANCE
PEACE OF MIND

FREE Delivery on orders over €250

0 Available to Ship
Restock 16-Jul-2026 Estimated, Out of Stock Prices are Estimated.

RRP ~~€280.72~~

€213.29 Incl Vat

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Overview

Range/Series Overview

IMPORTANT: This Range/Series overview section describes the range of which this product belongs. Features of different versions might be mentioned and may not apply to the specific product on this page. Please view Specs for specification of product.

The Cisco IP Phone 6851 with Multiplatform Firmware delivers high-fidelity voice communications to improve inter-office communication while helping to lower operating costs. This voice over IP phone is ideal for any medium-sized to large company that wants to update its phone system from a traditional analogue or digital-based system to an IP Communications system.

Specification Summary

Product Description

Cisco IP Phone 6851 - VoIP phone

Product Type

VoIP phone

Main Features

Multiple VoIP protocol support, integrated Ethernet switch

VoIP Protocols

SIP, SRTP

Voice Codecs

G.722, G.729ab, G.711u, G.711a, iLBC, iSAC, Opus

Lines Supported

4 lines

Speakerphone

Yes

Call Services

Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability

Display

LCD display - monochrome - Yes

Network Ports Qty

2 x Ethernet 10Base-T/100Base-TX/1000Base-T

Body Colour

Charcoal

Localisation

United Kingdom

Specifications

EAN / GTIN:

889728068376

General

Product Type

VoIP phone

Body Colour

Charcoal

Body Material

ABS polycarbonate

Localisation

United Kingdom

Phone Features

Call Services

Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability

Dialer Location

Base

Conference Call Capability

Yes

Speakerphone

Yes

Indicators

Voice message waiting indicator, speakerphone indicator, headset

Additional Functions

Call timer

IP Telephony

Main Features

Multiple VoIP protocol support, integrated Ethernet switch

VoIP

Yes

VoIP Protocols

SIP, SRTP

Voice Codecs

G.722, G.729ab, G.711u, G.711a, iLBC, iSAC, Opus

Lines Supported

4 lines

Quality of Service

IEEE 802.1Q (VLAN), IEEE 802.1p

IP Address Assignment

DHCP, static

Security

IEEE 802.1X

Power Over Ethernet (PoE) Support

Yes

Network Protocols

SRTP

Network Ports Qty

2 x Ethernet 10Base-T/100Base-TX/1000Base-T

Network Features

Class 2 PoE

Display

Type

LCD display - monochrome

Display Location

Base

Diagonal Size

3.5"

Display Resolution

396 x 162 pixels

Backlit

Yes

Miscellaneous

Connections

Headset jack / RJ-9

Placing / Mounting

Wall-mountable, table-top

Included Accessories

Power adapter

Dimensions & Weight (Base)

Width

26.5 cm

Depth

3.3 cm

Height

20.7 cm

Weight

615 g

Essential Bundles

Options

Headsets & Microphones
	(ECE4710804 - CP-HS-W-531-RJ=) Availability: 0 CISCO - 531 Wired Single - Headset - on-ear - wired - for IP Phone 68XX, 78XX, 88XX, Unified IP Phone 79XX	€136.33
(ECE4710804 - CP-HS-W-531-RJ=) Availability: 0 CISCO - 531 Wired Single - Headset - on-ear - wired - for IP Phone 68XX, 78XX, 88XX, Unified IP Phone 79XX
	(ECE4710805 - CP-HS-W-532-RJ=) Availability: 3 CISCO - 532 Wired Dual - Headset - on-ear - wired - for IP Phone 6841, 6851, 7821, 7841, 7861, 8811, 8841, 8845, 8851, 8861, 8865, 8865NR	€152.63
(ECE4710805 - CP-HS-W-532-RJ=) Availability: 3 CISCO - 532 Wired Dual - Headset - on-ear - wired - for IP Phone 6841, 6851, 7821, 7841, 7861, 8811, 8841, 8845, 8851, 8861, 8865, 8865NR
Power Devices & Batteries
	(ECE4963322 - CP-6800-PWR-CE=) Availability: 0 CISCO - Power adapter - Europe - for IP Phone 6841, 6851	€32.63
(ECE4963322 - CP-6800-PWR-CE=) Availability: 0 CISCO - Power adapter - Europe - for IP Phone 6841, 6851
	(ECE4963325 - CP-6800-PWR-UK=) Availability: 6 CISCO - Power adapter - United Kingdom - for IP Phone 6841, 6851	€32.63
(ECE4963325 - CP-6800-PWR-UK=) Availability: 6 CISCO - Power adapter - United Kingdom - for IP Phone 6841, 6851
Accessories
	(ECE4847547 - CP-68KEM-3PCC=) Availability: 0 CISCO - IP Phone 6800 Key Expansion Module - Key expansion module for VoIP phone - for IP Phone 6821, 6841, 6851, 6861, 6871	€179.75
(ECE4847547 - CP-68KEM-3PCC=) Availability: 0 CISCO - IP Phone 6800 Key Expansion Module - Key expansion module for VoIP phone - for IP Phone 6821, 6841, 6851, 6861, 6871