Cisco CP-7821-K9 Charcoal Black IP Phone

Cisco CP-7821-K9 Charcoal Black IP Phone

The Cisco CP-7821-K9 IP Phone provides clear and efficient voice communication for offices using compatible Cisco call-control systems. It features two programmable line keys, wideband audio and a full-duplex speakerphone. Moreover, its 3.5-inch backlit display makes menus and call information easy to read. PoE support and dual Ethernet ports also help simplify installation at reception desks, workstations and customer service departments.

Product Overview

The Cisco 7821 supports the SIP signalling protocol and provides two programmable line keys. Users can configure these keys for directory numbers or functions such as speed dial. In addition, tri-colour indicators help users identify line and call status quickly.

Dedicated buttons provide direct access to messaging, directory, hold, transfer and conference functions. The phone also includes headset, speakerphone and mute keys. Therefore, employees can manage routine calls without navigating complex menus.

Key Features

• Two programmable line keys: Support efficient handling of calls and phone functions.
• Wideband audio: Improves voice clarity through the handset, headset and speakerphone.
• Backlit display: Provides a clear view of menus, caller details and phone settings.
• Full-duplex speakerphone: Enables natural hands-free conversations and conference calls.
• Dedicated function keys: Offer quick access to common calling features.
• Dual Ethernet ports: Connect the phone and a nearby computer to the network.
• PoE support: Carries network data and power through one Ethernet cable.
• Adjustable stand: Supports comfortable viewing at different desk positions.

Technical Specifications

• Product model: Cisco IP Phone 7821
• Product number: CP-7821-K9=
• Colour: Charcoal
• Supported lines: Two
• Signalling protocol: SIP
• Display: 3.5-inch backlit greyscale LCD
• Display resolution: 396 × 162 pixels
• Ethernet ports: Two 10/100BASE-T RJ-45 ports
• Handset connection: RJ-9
• Headset connection: RJ-9
• Speakerphone: Full duplex
• Power: IEEE 802.3af PoE Class 1
• Maximum PoE consumption: 3.84W
• Optional power source: Cisco Power Adapter 3
• Dimensions: 207 × 206 × 28mm without the stand
• Weight: Approximately 867g
• Operating temperature: 0°C to 40°C

Common Applications

• Office workstations
• Reception and front-desk areas
• Customer service departments
• Help desks
• Administrative offices
• Cisco Unified Communications deployments

Why Choose This Product?

The Cisco CP-7821-K9 Charcoal Black IP Phone combines straightforward call controls, clear audio and secure network communication. Furthermore, its two Ethernet ports allow a computer and phone to share one network connection. The PoE feature also reduces cable clutter. As a result, businesses can create an organised and user-friendly calling environment on a compatible Cisco platform.

Frequently Asked Questions

Which telephone systems support the Cisco CP-7821-K9 IP Phone?

The phone works with supported Cisco call-control platforms. Administrators should confirm the required system version and user licence before installation.

How does the Cisco CP-7821-K9 IP Phone receive power?

The Cisco CP-7821-K9 Charcoal Black IP Phone supports IEEE 802.3af PoE Class 1. A compatible Cisco Power Adapter 3 can provide power when PoE is unavailable.

What can the two line keys control?

Administrators can configure them for directory numbers, shared lines or features such as speed dial.

Does the Cisco CP-7821-K9 IP Phone provide Gigabit Ethernet?

The phone provides two 10/100BASE-T Ethernet ports. Unlike the Cisco 7841, it does not offer Gigabit Ethernet.