Cisco IP Business Phone 7821 w, 3.5-inch Greyscale Display, Class 1 PoE, Supports 2 Lines, 1-Year Limited Hardware Warranty (CP-7821-K9=)
Regular price
£180.79
Price history
Price changes in the past 30 days
| November 26, 2025 | £181.24 GBP | |
| November 25, 2025 | £233.94 GBP | |
| November 23, 2025 | £181.60 GBP |
- TWO LINES: Ideal for occasional-to-light voice communications needs of knowledge workers and managers
- 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 1 PoE with 10/100BASE-T Ethernet connection through two RJ45 ports
- PEACE OF MIND: 1-year limited hardware warranty
The Cisco IP Business Phone 7821 with Multi-Platform Phone 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.
| Design | |
|---|---|
| Mounting | Desk/Wall |
| Wall mountable | Yes |
| Case material | Polycarbonate |
| Product colour | Black, Silver |
| Handset type | Wired handset |
| Product type | IP Phone |
| Phone features | |
|---|---|
| Caller ID | Yes |
| Call waiting | Yes |
| Speed dialling | Yes |
| Call hold | Yes |
| Call forwarding | Yes |
| Conference call | Yes |
| Answering machine | Yes |
| Lines quantity | 2 lines |
| Management features | |
|---|---|
| Volume control | Digital |
| Integrated voicemail | Yes |
| Display | |
|---|---|
| Touchscreen | No |
| Display resolution | 396 x 162 pixels |
| Display diagonal | 8.89 cm (3.5") |
| Audio | |
|---|---|
| Voice codecs | G.711a, G.722, G.729A, G.729B, iLBC |
| Speakerphone | Yes |
| Network | |
|---|---|
| Supported network protocols | IEEE 802.3, IEEE 802.3u, IEEE 802.3af |
| Quality of Service (QoS) support | Yes |
| Security algorithms | 802.1x RADIUS |
| Bluetooth | No |
| Wi-Fi | No |
| Ethernet LAN | Yes |
| Ports & interfaces | |
|---|---|
| Ethernet LAN (RJ-45) ports | 2 |
| Certificates | |
|---|---|
| Safety | UL 60950, CAN/CSA - C22.2, EN 60950, IEC 60950, AS/NZS 60950, GB4943 |
| 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 | 1.2 kg |
| Package height | 71.9 mm |
| Package depth | 279.9 mm |
| Package width | 234.9 mm |
| Weight | 867 g |
| Height | 28 mm |
| Depth | 206 mm |
| Width | 207 mm |
| Logistics data | |
|---|---|
| Country of origin | China |
| Quantity per pack | 1 pc(s) |
| Harmonized System (HS) code | 85171800 |