Cisco IP Business Phone 8851, 5-inch WVGA Colour Display, Gigabit Ethernet Switch, Class 4 PoE, USB Port, 10 SIP Registrations, 1-Year Limited Hardware Warranty (CP-8851-K9=)
Regular price
£549.76
Price history
Price changes in the past 30 days
| November 26, 2025 | £553.97 GBP | |
| November 23, 2025 | £555.37 GBP |
- LARGE DISPLAY: 5-inch high-resolution widescreen WVGA colour display with localised language support to meet the needs of global users
- FIXED FUNCTION KEYS: One-touch access to service, messaging, directory, hold/resume, transfer and conference features
- FULLY PROGRAMMABLE: Set up line keys to support either lines, such as directory numbers, or call features like speed dialling
- OPTIMAL PERFORMANCE: Class 4 PoE with a built-in Ethernet Gigabit switch for your PC connection
- PEACE OF MIND: 1-year limited hardware warranty
The Cisco IP Phone 8851 Series with Multi-Platform Phone firmware helps increase personal productivity in the workplace thanks to powerful yet easy-to-use features. This office phone has an attractive, ergonomic design that offers comfortable use, with wideband audio for crystal clear voice communications, ‘always-on’ reliability and encrypted voice communications for enhanced security.
| Design | |
|---|---|
| Mounting | Desk/Wall |
| Wall mountable | Yes |
| Device lock | Yes |
| Backlight keypad | Yes |
| Product colour | Black |
| Handset type | Wired handset |
| Product type | IP Phone |
| Phone features | |
|---|---|
| Caller ID | Yes |
| Call pick up | Yes |
| Call waiting | Yes |
| Speed dialling | Yes |
| Call hold | Yes |
| Call forwarding | Yes |
| Message-waiting indicator (MWI) | Yes |
| Call transfer | Yes |
| Management features | |
|---|---|
| Volume control | Digital |
| Display | |
|---|---|
| Touchscreen | No |
| Display resolution | 800 x 480 pixels |
| Display diagonal | 12.7 cm (5") |
| Audio | |
|---|---|
| Voice codecs | G.711a, G.722, G.729A, iLBC |
| Microphone mute | Yes |
| Speakerphone | Yes |
| Network | |
|---|---|
| Supported network protocols | SIP, SPD, UDP, GARP, DNS, TFTP, HTTPS, VLAN, RTP, RTCP, PPDP |
| Quality of Service (QoS) support | Yes |
| Security algorithms | EAP-FAST, EAP-TLS, HTTPS, SIPS, SSH, SSL/TLS |
| DHCP client | Yes |
| Networking standards | IEEE 802.3ab, IEEE 802.3af, IEEE 802.3at, IEEE 802.3i, IEEE 802.3u |
| Bluetooth version | 3.0+HS |
| Bluetooth | Yes |
| Wi-Fi | No |
| Ethernet LAN | Yes |
| Ports & interfaces | |
|---|---|
| Ethernet LAN (RJ-45) ports | 2 |
| RJ-9 ports quantity | 1 |
| DC-in jack | Yes |
| USB 2.0 ports quantity | 1 |
| Power | |
|---|---|
| Power over Ethernet (PoE) | Yes |
| Operational conditions | |
|---|---|
| Operating temperature (T-T) | 0 - 40 °C |
| Operating relative humidity (H-H) | 10 - 90% |
| Storage temperature (T-T) | -10 - 60 °C |
| Storage relative humidity (H-H) | 10 - 95% |
| Weight & dimensions | |
|---|---|
| Package weight | 1.6 kg |
| Package height | 75.9 mm |
| Package depth | 353.1 mm |
| Package width | 263.9 mm |
| Weight | 1.19 kg |
| Height | 229.1 mm |
| Depth | 40 mm |
| Width | 257.3 mm |
| Packaging content | |
|---|---|
| Number of handles included | 1 pc(s) |
| Logistics data | |
|---|---|
| Country of origin | China |
| Quantity per pack | 1 pc(s) |
| Harmonized System (HS) code | 85171800 |