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Home Networking Conferencing, Phones IP Phones Cisco 7821 RJ-45 Network Ports IP Phone | 2-Line VoIP Desk PoE Phone with 3.5" Display | Wall Mountable | User Connect License Included - Charcoal (CP...

Cisco 7821 RJ-45 Network Ports IP Phone | 2-Line VoIP Desk PoE Phone with 3.5" Display | Wall Mountable | User Connect License Included - Charcoal (CP-7821-K9=)

Cisco 7821 RJ-45 Network Ports IP Phone | 2-Line VoIP Desk PoE Phone with 3.5" Display | Wall Mountable | User Connect License Included - Charcoal (CP-7821-K9=)

Cisco 7821 RJ-45 Network Ports IP Phone | 2-Line VoIP Desk PoE Phone with 3.5" Display | Wall Mountable | User Connect License Included - Charcoal (CP-7821-K9=)

Brand:

Cisco

Specifications

Description

The Cisco 7821 IP Phone (CP-7821-K9=) is a cost-effective and feature-rich VoIP desktop phone designed for secure, reliable communication in business environments. Part of the Cisco 7800 Series, this 2-line IP phone offers high-quality wideband audio, intuitive user experience, and integrated Power over Ethernet (PoE) support, making it ideal for knowledge workers, administrative staff, and telephony users in SMB or enterprise settings.
The 3.5" monochrome display with backlight provides clear visibility for call information, navigation menus, and caller ID, while the phone’s support for multiple voice codecs, call control features, and security protocols ensures smooth integration into modern IP telephony systems. Wall-mountable and compact, the Cisco 7821 is perfect for cubicles, small desks, or shared office areas.

Features

2-line IP phone with support for SIP call control
Power over Ethernet (PoE) compliant – supports IEEE 802.3af/at
3.5" (8.9 cm) monochrome backlit display with 396 x 162 resolution
Integrated speakerphone with wideband audio and full duplex
User-friendly navigation cluster and dedicated function keys (mute, voicemail, headset, etc.)
Supports multiple voice codecs: G.711a/u, G.722, G.729ab, iLBC
Multilingual interface and customizable ringtone options
Compact, wall-mountable design for flexible office installation
Advanced features: Call forwarding, auto-answer, call history, music on hold, and more
Compatible with Cisco Unified Communications Manager and third-party SIP platforms

Specifications

Product Type: IP Phone
Brand Name: Cisco
Series: 7800 Series
Model: 7821
Part Number: CP-7821-K9=
Manufacturer: Cisco Systems, Inc.
Phone Lines: 2
Caller ID: Yes
Phone Technology: VoIP
Display Type: Monochrome LCD
Screen Size: 3.5 inches (8.9 cm)
Screen Resolution: 396 x 162
Backlit Display: Yes
Controls/Keys: Mute, Volume, Headset, Hold, Navigation, Message, Transfer/Conference, Directory, Service
Speakerphone: Yes (Full Duplex)
Connectivity Technology: Corded
PoE Support: Yes – IEEE 802.3af and 802.3at
RJ-45 Ports: 2
Input Voltage: 48V DC
Form Factor: Wall Mountable
Color: Charcoal (Grey Color Family)
Weight: Approx. 867 g
Dimensions (HxWxD): 207 mm × 206 mm × 28 mm

Audio & Voice Features

Codecs Supported: G.711a, G.711u, G.722 (wideband), G.729ab, iLBC
QoS Support: IEEE 802.1p/Q
Communication Protocols: SIP, CDP, LDAP, SRTP

Features Include:

Call Forwarding
Auto-answer
Call Waiting
Voice Mail
Distinctive Ringing
Speed Dial
Date & Time Display
Multilingual Menu
Call History
Do Not Disturb
Multiple Ring Tones
Status Indicator
Certifications & Compliance

Regulatory Compliance:

CE Marking (2004/108/EC & 2006/95/EC)
UL 60950 / CSA-C22.2 / EN 60950 / IEC 60950
AS/NZS 60950 / GB4943

EMC – Emissions & Immunity:

47CFR Part 15 Class B, CISPR22, ICES003, EN55022, KN22
EN55024, EN61000-3-2, EN61000-3-3, KN24, CISPR24
EN60601-1-2

Telecom Standards:

FCC Part 68 HAC
CS-03-HAC
AS/ACIF S004/S040
NZ PTC 220
TIA 810 / TIA 920
IEEE 802.3, 802.3af, 802.3at

Package Contents

Cisco IP Phone 7821
Black Bezel
Documentation

Ideal Uses

Office desks and cubicles in small and mid-sized businesses
Customer service agents requiring multi-line support
Lobby, break room, or shared workspace communication endpoints
Wall-mounted phone stations in industrial or warehouse environments
Secure voice deployments in finance, healthcare, and education sectors

Why Choose This Product?

Reliable Cisco VoIP Technology: Trusted by enterprises worldwide for robust and secure communication
Professional Features in a Budget-Friendly Design: Combines usability and scalability
PoE Support Saves Space and Cabling: No need for a separate power adapter
Flexible Deployment: Desk or wall mount with easy configuration
Wide Compatibility: Integrates easily with Cisco UC and third-party SIP systems

Features

Brand:

Cisco

Conditions:

New

GTIN, UPC, EAN, JAN or ISBN:

882658621840

Warranty:

1 Year

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