| Product type | IP Phone |
| Product colour | Black, Silver |
| Handset type | Wired handset |
| Case material | Polycarbonate |
| Wall mountable | Y |
| Mounting | Desk/Wall |
| Lines quantity | 4 lines |
| Caller ID | Y |
| Answering machine | Y |
| Call waiting | Y |
| Speed dialling | Y |
| Call hold | Y |
| Call forwarding | Y |
| Conference call | Y |
| Integrated voicemail | Y |
| Volume control | Digital |
| Touchscreen | N |
| Display | LCD |
| Display diagonal | 8.89 cm (3.5") |
| Display resolution | 396 x 162 pixels |
| Speakerphone | Y |
| Voice codecs | G.711a,G.722,G.729A,G.729B,iLBC |
| Ethernet LAN | Y |
| Wi-Fi | N |
| Bluetooth | N |
| Supported network protocols | IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3af |
| Quality of Service (QoS) support | Y |
| Security algorithms | 802.1x RADIUS |
| Ethernet LAN (RJ-45) ports | 2 |
| Safety | UL 60950, CAN/CSA - C22.2, EN 60950, IEC 60950, AS/NZS 60950, GB4943 |
| Power over Ethernet (PoE) | Y |
| Operating temperature (T-T) | 0 - 40 °C |
| Operating relative humidity (H-H) | 10 - 90% |
| Storage relative humidity (H-H) | 10 - 95% |
| Storage temperature (T-T) | -10 - 60 °C |
| Width | 207 mm |
| Depth | 206 mm |
| Height | 28 mm |
| Weight | 868 g |
| Description |
| Cisco 7841. Product type: IP Phone, Product colour: Black, Silver, Handset type: Wired handset. Lines quantity: 4 lines. Volume control: Digital. Display: LCD, Display diagonal: 8.89 cm (3.5"), Display resolution: 396 x 162 pixels. Voice codecs: G.711a,G.722,G.729A,G.729B,iLBC |