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Increase Productivity with Clear Communications.
Deploy reliable and highly secure voice communications with the Cisco IP Phone 7821. This full-featured phone is easy to use and easy on your budget. This endpoint supports wideband audio for superior voice communications quality and advanced IP telephony features to make your business calls more efficient and productive.
The Cisco IP Phone 7821 is a two-line endpoint that is designed for information workers and managers. This phone is ideal for:
- Customers who currently use traditional analog or digital phones but want to move to IP telephony.
- Organizations that want to expand their voice communications investment by using Cisco Unified Communications.
Specs
| Display |
| Touchscreen |
N |
| Display resolution |
396 x 162 pixels |
| Display diagonal |
8.89 cm (3.5") |
| Backlight display |
Y |
| Phone features |
| Lines quantity |
2 lines |
| Caller ID |
Y |
| Call waiting |
Y |
| Distinctive ring |
Y |
| Speed dialing |
Y |
| Call hold |
Y |
| Call forwarding |
Y |
| Conference call |
Y |
| Do not disturb function |
Y |
| Answering machine |
Y |
| Speed dialling |
Y |
| Certificates |
| Safety |
UL 60950, CAN/CSA - C22.2, EN 60950, IEC 60950, AS/NZS 60950, GB4943 |
| 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 |
| Power |
| Power over Ethernet (PoE) |
Y |
| Ports & interfaces |
| Ethernet LAN (RJ-45) ports |
2 |
| Networking |
| Ethernet LAN |
Y |
| Wi-Fi |
N |
| Bluetooth |
N |
| Supported network protocols |
IEEE 802.3, IEEE 802.3u, IEEE 802.3af |
| Quality of Service (QoS) support |
Y |
| Audio |
| Voice codecs |
G.711a,G.722,G.729A,iLBC |
| Speakerphone |
Y |
| Technical details |
| Handset type |
Wired handset |
| Speakerphone |
Y |
| Volume control |
Digital |
| Case material |
Polycarbonate |
| Integrated voicemail |
Y |
| Answering machine |
Y |
| Security |
| Security algorithms |
128-bit AES,256-bit AES,802.1x RADIUS,SRTP,SSL/TLS |
| Colour |
| Colour of product |
Black, Silver |
| Ergonomics |
| Wall mountable |
Y |
| Features |
| Colour of product |
Black, Silver |
| Handset type |
Wired handset |
| Wall mountable |
Y |
| Volume control |
Digital |
| Mounting |
Desk/Wall |
| Case material |
Polycarbonate |
| Integrated voicemail |
Y |
| Product colour |
Black, Silver |
Features
Cisco 7821. Product colour: Black, Silver, Handset type: Wired handset, Volume control: Digital. Display resolution: 396 x 162 pixels, Display diagonal: 8.89 cm (3.5"). Lines quantity: 2 lines. Voice codecs: G.711a,G.722,G.729A,iLBC. Supported network protocols: IEEE 802.3, IEEE 802.3u, IEEE 802.3af
Product Description
Increase Productivity with Clear Communications.
Deploy reliable and highly secure voice communications with the Cisco IP Phone 7821. This full-featured phone is easy to use and easy on your budget. This endpoint supports wideband audio for superior voice communications quality and advanced IP telephony features to make your business calls more efficient and productive.
The Cisco IP Phone 7821 is a two-line endpoint that is designed for information workers and managers. This phone is ideal for:
- Customers who currently use traditional analog or digital phones but want to move to IP telephony.
- Organizations that want to expand their voice communications investment by using Cisco Unified Communications.
