| Marketing Description |
| 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. |
| Product Features |
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Versatile display options
The Cisco IP Phone 7821 features a 3.5-inch monochrome LCD display, offering clear and accessible call information with support for multiple languages, including Arabic, English, French, and Spanish, ensuring a versatile user experience for global business environments.
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Enhanced call management
Equipped with call forwarding, call hold, call transfer, call waiting, caller ID, message waiting capability, and voice mail, this device streamlines communication processes, making it easier to manage calls efficiently.
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Robust connectivity
With two Ethernet 10Base-T/100Base-TX network ports and integrated Power over Ethernet (PoE) support, the Cisco IP Phone 7821 ensures reliable connectivity and simplifies the deployment in various network environments.
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High-quality voice transmission
Supporting multiple VoIP protocols including SIP and voice codecs such as G.711a, G.711u, G.722, and iLBC, the phone delivers superior voice quality, enhancing communication clarity and performance.
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Flexible placement
Designed for versatility, the phone can be conveniently placed on a table-top or mounted on the wall, catering to different spatial requirements and preferences.
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| General |
| Product Type |
VoIP phone |
| Compatible Platforms |
Cisco Business Edition 6000 |
| Body Colour |
White |
| Image Colour Disclaimer |
The displayed product image may be a different colour |
| Body Material |
PC/ABS |
| Phone Features |
| Call Services |
Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability |
| Dialer Type |
Keypad |
| Dialer Location |
Base |
| Conference Call Capability |
Yes |
| Speakerphone |
Yes (digital duplex) |
| Menu Operation |
Yes |
| Programmable Buttons Qty |
2 |
| Indicators |
Voice message waiting indicator, speakerphone indicator, headset |
| Firmware Upgradable |
Yes |
| Additional Functions |
Call timer |
| Additional Features |
Music on hold |
| IP Telephony |
| Main Features |
Multiple VoIP protocol support, integrated Ethernet switch |
| VoIP |
Yes |
| VoIP Protocols |
SIP, SRTP |
| Voice Codecs |
G.722, G.729a, G.711u, G.711a, iLBC |
| Lines Supported |
2 lines |
| Quality of Service |
IEEE 802.1Q (VLAN), IEEE 802.1p |
| IP Address Assignment |
DHCP, static |
| Security |
IEEE 802.1X |
| Power Over Ethernet (PoE) Support |
Yes |
| Network Protocols |
Cisco Discovery Protocol (CDP), SRTP |
| Network Ports Qty |
2 x Ethernet 10Base-T/100Base-TX |
| Compatible Software |
Cisco Unified Communications Manager 8.5.1 or later, Cisco Hosted Collaboration Solution |
| Network Features |
Lightweight Directory Access Protocol (LDAP) |
| Display |
| Type |
LCD display - monochrome |
| Display Location |
Base |
| Diagonal Size |
3.5" |
| Display Resolution |
396 x 162 pixels |
| Backlit |
Yes |
| Display Languages |
Danish, Hebrew, Hungarian, Czech, Croatian, Slovenian, Thai, Slovak, Brazilian Portuguese, English, German, French, Italian, Norwegian, Portuguese, Polish, Finnish, Swedish, Russian, Spanish, Dutch, Greek, Turkish, Arabic, Bulgarian, Latvian, Lithuanian, Estonian, Serbian, Romanian, Catalan, Japanese, Chinese, Korean |
| Miscellaneous |
| Connections |
Headset jack |
| Placing / Mounting |
Wall-mountable, table-top |
| Compliant Standards |
CISPR 22 Class B, CISPR 24, EN 61000-3-2, EN 61000-3-3, EN55024, EN55022 Class B, ICES-003 Class B, AS/ACIF S004, FCC Part 68, EMC, CS-03, UL 60950-1 Second Edition, EN 60601-1-2, FCC CFR47 Part 15 B, GB 4943, AS/NZS 60950, CSA C22.2 No. 60950-1 Second Edition, EN 60950-1 Second Edition, IEC 60950-1 Second Edition, VCCI Class B |
| Dimensions & Weight (Base) |
| Width |
20.6 cm |
| Depth |
2.8 cm |
| Height |
20.7 cm |
| Weight |
867 g |
| Manufacturer Warranty |
| Service & Support |
Limited warranty - replacement - 1 year |
