Cisco CP-7821-K9-N IP Phone 7821 – Cost‑Effective 2‑Line VoIP Telephone
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Cisco
CP-7821-K9-N IP Phone 7821 – Cost‑Effective 2‑Line VoIP Telephone
The Cisco CP-7821-K9-N IP Phone delivers affordable, high-quality voice communication designed for everyday business use. This 2-line VoIP phone offers a streamlined interface, ideal for knowledge workers and call areas requiring reliable voice access. With a 3.5-inch backlit grayscale display, wideband audio support, and full-duplex speakerphone, the CP-7821 ensures professional-grade communication with superior audio clarity. The phone supports Power over Ethernet (PoE) for simplified installation, energy-saving features for lower operational costs, and secure voice communication through modern encryption protocols. Its easy-to-use interface and dual Ethernet ports make it a practical solution for businesses seeking an efficient and secure IP phone.
Features :
The Cisco 7821 IP Phone offers a balance between essential features and cost-effectiveness, making it suitable for offices, call centers, and administrative environments. Its 2 programmable line keys support multi-line operation and call handling, while fixed keys provide quick access to voicemail, call directory, transfer, conferencing, and more. The 3.5-inch backlit LCD offers clear visual feedback, even in low-light environments, improving user interaction and usability. Audio quality is a standout feature with wideband G.722 codec support, providing HD voice via the handset, speakerphone, or headset. It features a full-duplex speakerphone with echo cancellation and DTMF masking. The phone integrates a 10/100 Ethernet switch for connectivity and can be powered via IEEE 802.3af PoE Class 1, allowing for simplified cabling and reduced desktop clutter.
Advanced Options :
Security features such as 802.1X authentication, SRTP for voice encryption, and support for secure boot and configuration ensure the phone is safe for business use. It also supports Cisco’s EnergyWise for energy-efficient operation. The Cisco CP‑7821 is ideal for organizations looking to deploy reliable, secure, and cost-effective voice endpoints across their infrastructure.
Product Key Features
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2 programmable lines with LED status indicators
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3.5″ grayscale backlit LCD (396 x 162 pixels)
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Wideband audio with G.722 codec
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Full-duplex speakerphone with echo cancellation
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Dual 10/100 Ethernet ports for LAN and PC connectivity
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PoE support (IEEE 802.3af Class 1)
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Fixed function keys: voicemail, directory, hold, transfer, conference
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Security: 802.1X, SRTP, secure boot
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Cisco EnergyWise and energy-saving power modes
Reliability & Performance :
The Cisco CP-7821-K9-N IP Phone is engineered for reliable daily use in high-traffic office environments. Its rugged build, intuitive layout, and high-quality components ensure long-term dependability. Wideband audio technology provides professional-grade sound for both handset and speakerphone calls, minimizing distortion and improving clarity. It supports network failover options and remote provisioning, making it easy to manage at scale. Power-saving features such as support for Cisco EnergyWise and automatic screen dimming reduce energy costs. The unit’s full-duplex speakerphone and headset support improve multitasking and hands-free communication. Designed with simplicity and performance in mind, this IP phone delivers the right balance of functionality, efficiency, and affordability for unified communications.
Key Features :
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2-Line VoIP IP phone
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3.5″ grayscale backlit display
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G.722 wideband audio for HD voice
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Integrated 2-port 10/100 Ethernet switch
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Power over Ethernet (PoE) Class 1
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Fixed keys: hold, transfer, conference, directory
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Full-duplex speakerphone with DTMF masking
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802.1X and SRTP support for secure communications
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Supports wall-mount and desktop use
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EnergyWise compliant for low power usage
Specifications:
| Specification | Details |
|---|---|
| Model Number | CP-7821-K9-N |
| Display | 3.5″ grayscale backlit LCD |
| Resolution | 396 x 162 pixels |
| Audio | Wideband G.722, full-duplex speaker |
| Ethernet Ports | 2 x 10/100 Mbps |
| PoE Class | IEEE 802.3af Class 1 |
| Line Keys | 2 programmable with LED |
| Headset Support | Yes (RJ-9 port) |
| Security | 802.1X, SRTP, secure configuration |
| Power Saving | Yes (EnergyWise & screen dimming) |
| Mounting Options | Desk stand and wall-mountable |
| Dimensions (H x W x D) | Approx. 8.15″ x 8.11″ x 1.1″ |
| Weight | Approx. 1.9 lbs (867 g) |
| Warranty | 1-Year Limited Warranty |
Additional information
| Weight | 1.12 kg |
|---|---|
| Dimensions | 27.94 × 7.62 × 30.48 cm |
| Brand | Cisco |
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