Cisco 7821 IP Phone (CP-7821-K9) | New

Brand: Cisco
Product Code: CP-7821-K9-N
$79.99
Condition: New
Availability: In Stock
Delivery Option
Anywhere
Express Delivery in USA
Get within 1 to 3 days
Free Ground in USA
2 to 6 days (Varies by location)
International Delivery
Must have a UPS FedEx or DHL account to ship on or a USA based Freight Forwarder to Ship To.
Visa, Mastercard, AMEX,PayPal,Wire are accepted
PO accepted from Qualified Institutions
Only Wire Transfer accepted
For International Customers

Return & Warranty
90 days return
Warranty vary by product
Please see our policies page.

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

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

Main Features

Multiple VoIP protocol support, integrated Ethernet switch

VoIP

Yes

VoIP Protocols

SIP, SRTP

Voice Codecs

G.722, G.729ab, 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)

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

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

Width

8.1 in

Depth

1.1 in

Height

8.1 in

Weight

30.6 oz

Service & Support

Limited warranty - replacement - 1 year

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