Description
Cisco 7821 IP Phone black, silver with 2 lines, designed for professional use on a desk or wall-mounted thanks to its polycarbonate housing and wired connection terminal. This model includes essential features such as conference calling, transfer, hold, speed dial, caller ID and do not disturb mode, plus an answering machine and integrated voicemail. Its screen offers a resolution of 396 x 162 pixels for clear information display, and the volume control is digital for precise listening adjustment. With distinctive sound and the ability to manage two lines, this device facilitates daily communication in office environments without complications.
Specifications
Design
- Product type: IP Phone
- Handset type: Wired handset
- Product colour: Black, Silver
- Case material: Polycarbonate
- Wall mountable: Yes
- Mounting: Desk/Wall
Phone features
- Lines quantity: 2 lines
- Answering machine: Yes
- Call waiting: Yes
- Distinctive ring: Yes
- Speed dialling: Yes
- Call hold: Yes
- Call forwarding: Yes
- Conference call: Yes
- Do not disturb function: Yes
- Caller ID: Yes
Management features
- Integrated voicemail: Yes
- Volume control: Digital
Display
- Display diagonal: 8.89 cm (3.5")
- Display resolution: 396 x 162 pixels
- Touchscreen: No
- Backlight display: Yes
Audio
- Speakerphone: Yes
- Voice codecs: G.711a, G.722, G.729A, iLBC
Network
- Ethernet LAN: Yes
- Wi-Fi: No
- Bluetooth: No
- Supported network protocols: IEEE 802.3, IEEE 802.3u, IEEE 802.3af
- Quality of Service (QoS) support: Yes
- Security algorithms: 128-bit AES, 256-bit AES, 802.1x RADIUS, SRTP, SSL/TLS
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 relative humidity (H-H): 10 - 95%
- Storage temperature (T-T): -10 - 60 °C
Weight & dimensions
- Width: 207 mm
- Depth: 206 mm
- Height: 28 mm
- Weight: 867 g
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