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Cisco 7821

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Availability: In stock

Your Price: $128.00
Your Price: $128.00
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1 Year
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Cisco IP Phone 7821

The Cisco 7821 is a two line IP phone from the Cisco 7800 series for small business. The 7821 is easy to setup with PoE capability, EHS headset support, and a 3.5" white backlit display with 4 context-sensitive soft keys.

Cisco IP Phone 7821 Overview

The Cisco 7821 IP phone includes a 2-way navigation button and dedicated fixed keys for commonly used office call needs like conference, messaging, and directory. Full wideband audio (G.722) supplies superior voice quality performance through the handset, speakerphone, and third party headsets. The 8721 has added electronic hookswitch control for flexibility in managing calls and extending mobility around the office.

The 7821 can be PoE or powered by an AC power adapter, and desk mount or wall mount functionality allows this IP phone to be used for many different business environments. The Cisco IP phone 7800 series are covered by a Cisco standard 1-year replacement warranty.

The Cisco IP Phone 7821 requires a Basic User Connect License (UCL) in order to connect to Cisco Unified Communications Manager.

Cisco IP Phone 7821 Features:

  • Power over Ethernet or AC power
  • Signaling protocol support SIP
  • Codec support G.711a/μ, G.722, G.729ab, iLBC
  • identifies incoming messages and categorizes them for users on the screen
  • 10/100BASE-T Ethernet connection through two RJ-45 ports
  • supports CDP and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID

Didn't find the VoIP phone you were looking for? Check out these other Cisco phones:

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Michael Rehac

Direct: 716-213-6898

Why Pay $128.00 for the Cisco 7821?

  • Full duplex speakerphone

  • Wideband audio

  • Replaceable bezel

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Questions on Cisco 7821

From Merab at 9/10/2015 8:00 PM

Q: Compatibility Cisco UC Phone 7821 mod. CP-7821-K9
with Cisco Unified CM System version:

A: Hi Merab,

We do not sell Cisco CUCM products, so you may need to consult with Cisco regarding compatibility with the 7821 phone.

Do you find this question helpful?  Yes   No

From mohsen at 11/6/2015 7:00 PM

Q: hello
is it possible that i register this ip phone in elastix?
if it is ok please help me ?

A: Hi,

Yes it is possible. You should be able to log into the phone's web interface via its IP address and enter your extension credentials for it to register with Elastix.

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From Robert at 6/26/2017 8:00 PM

Q: Can the Cisco 7821 be used on a standalone SIP service such as ( Is the UCL and CUCM required or optional? I currently have a SPA525G2 but am looking to make a change. I purchased a CP8841 from Amazon only to find that it could not be configured on the above referenced residential VoIP services. Thanks in advance!

A: Thank you for choosing VoIP Supply!

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