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The Cisco IP Phone 8841 offers five programmable line keys. You can configure keys to support either multiple directory numbers or call features such as speed dial. You can also boost productivity by handling multiple calls for each directory number, using the multicall-per-line feature. Fixed function keys give you one-touch access to applications, messaging, directory, as well as often-used calling features such as hold/resume, transfer, and conference. Backlit acoustic keys provide flexibility for audio path selection and switching.
| Technical details | |
|---|---|
| Answering machine | Yes |
| Handset type | Wired handset |
| Volume control | Digital |
| Speakerphone | Yes |
| Display | |
| Touchscreen | No |
| Display resolution | 800 x 480 pixels |
| Display diagonal | 12.7 cm (5") |
| Phone features | |
| Speed dialing | Yes |
| Redialing | Yes |
| Intercom | Yes |
| Do not disturb function | Yes |
| Distinctive ring | Yes |
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Call hold | Yes |
| Call forwarding | Yes |
| Audio | |
| Voice codecs | G.711a, G.722, G.729A, iLBC |
| Networking | |
| Wi-Fi | No |
| Supported network protocols | IEEE 802.3i/802.3u/802.3ab/802.3af/802.3at |
| Quality of Service (QoS) support | Yes |
| Ethernet LAN | Yes |
| DHCP client | Yes |
| Bluetooth | No |
| Security | |
| Security algorithms | EAP-FAST, EAP-TLS, HTTPS, SRTP, SSH, SSL/TLS |
| Ports & interfaces | |
| Ethernet LAN (RJ-45) ports | 2 |
| Power | |
| Power over Ethernet (PoE) | Yes |
| Weight & dimensions | |
| Width | 257.3 mm |
| Depth | 40 mm |
| Height | 229.1 mm |
| Weight | 1.17 kg |
| 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% |
| Colour | |
| Colour of product | Black, Silver |
| Ergonomics | |
| Wall mountable | Yes |
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