Cisco 7821 IP Phone (CP-7821-K9) | New
Availability: In Stock
| Delivery Option | |
| Anywhere | |
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Express Delivery in USA Get within 1 to 3 days |
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Free Ground in USA 2 to 6 days (Varies by location) |
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International Delivery Must have a UPS FedEx or DHL account to ship on or a USA based Freight Forwarder to Ship To. |
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| Visa, Mastercard, AMEX,PayPal,Wire are accepted | |
| PO accepted from Qualified Institutions | |
| Only Wire Transfer accepted For International Customers |
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| Return & Warranty | |
| 90 days return | |
| Warranty vary by product Please see our policies page. |
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Overview of Cisco 7821 IP Phone (CP-7821-K9) | New
The Cisco 7821 IP Phone (CP-7821-K9) is a cost-effective, entry-level VoIP phone from the Cisco 7800 Series, designed for small to large businesses needing reliable voice communications. It supports dual lines with wideband audio for clear calls and integrates with Cisco Unified Communications Manager or third-party platforms. This model emphasizes simplicity, security, and ease of deployment via PoE.
Cisco 7821 IP Phone (CP-7821-K9) Features:
- 3.5-inch backlit grayscale display (396 x 162 pixels) with context-sensitive soft keys and navigation button.
- Full-duplex wideband speakerphone and support for wideband codecs like G.722.
- Dual 10/100 Ethernet ports for daisy-chaining devices, RJ-9 headset port, and EHS compatibility.
- Programmable line keys (2), fixed function keys for hold, transfer, conference, and voicemail.
- Security features including 802.1X authentication, SRTP/TLS encryption, and device authentication.
Best Uses for Cisco 7821 IP Phone (CP-7821-K9):
- Everyday office desk phones for receptionists or general staff handling basic calls.
- Small business environments requiring cost-effective IP telephony with PoE simplicity.
- Shared workspaces or hot-desking setups due to wall-mount option and easy setup.
Specifications for Cisco 7821 IP Phone (CP-7821-K9) | New
| Manufacturer | Cisco |
| Manufacturer Part Number | CP-7821-K9 |
| Product Name | Cisco 7821 IP Phone |
| Product Type | VoIP Phone |
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Call Services |
Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability |
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Dialer Type |
Keypad |
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Dialer Location |
Base |
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Conference Call Capability |
Yes |
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Speakerphone |
Yes (digital duplex) |
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Menu Operation |
Yes |
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Programmable Buttons Qty |
2 |
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Indicators |
Voice message waiting indicator, speakerphone indicator, headset |
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Firmware Upgradable |
Yes |
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Additional Functions |
Call timer |
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Additional Features |
Music on hold |
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Main Features |
Multiple VoIP protocol support, integrated Ethernet switch |
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VoIP |
Yes |
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VoIP Protocols |
SIP, SRTP |
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Voice Codecs |
G.722, G.729ab, G.711u, G.711a, iLBC |
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Lines Supported |
2 lines |
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Quality of Service |
IEEE 802.1Q (VLAN), IEEE 802.1p |
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IP Address Assignment |
DHCP, static |
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Security |
IEEE 802.1X |
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Power Over Ethernet (PoE) Support |
Yes |
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Network Protocols |
Cisco Discovery Protocol (CDP), SRTP |
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Network Ports Qty |
2 x Ethernet 10Base-T/100Base-TX |
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Compatible Software |
Cisco Unified Communications Manager 8.5.1 or later, Cisco Hosted Collaboration Solution |
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Network Features |
Lightweight Directory Access Protocol (LDAP) |
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Type |
LCD display - monochrome |
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Display Location |
Base |
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Diagonal Size |
3.5" |
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Display Resolution |
396 x 162 pixels |
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Backlit |
Yes |
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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 |
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Connections |
Headset jack |
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Placing / Mounting |
Wall-mountable, table-top |
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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 |
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Width |
8.1 in |
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Depth |
1.1 in |
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Height |
8.1 in |
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Weight |
30.6 oz |
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Service & Support |
Limited warranty - replacement - 1 year |




