Cisco CP-6821-3PW-NA-K9= 6821 IP Phone - 2 SIP Lines - 2. 5" LCD - Dual PoE RJ-45 Ports - Wall Mountable - Corded Handset/Base
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Product Features
Technical Overview
This IP phone operates on VoIP technology, converting analog voice signals into digital packets for transmission over IP networks. It features two RJ-45 Ethernet ports with Power over Ethernet support, allowing both data and electrical power to be delivered through a single cable. This simplifies installation and reduces clutter, especially when deploying multiple devices like IP phones, access points, or cameras.
The 6821 includes essential telephony features such as caller ID and a full-duplex speakerphone. Its 2.5" LCD screen displays call information, menus, and status indicators. The phone is part of the Cisco 6800 Series, known for dependable performance in business communication systems.
Relevant factors for this section include IP Phone Technology, Handset Connectivity Technology, Base Unit Connectivity Technology, Screen Type. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
The Cisco 6821 combines practical features with a robust build for daily business use. Its corded handset and base eliminate wireless interference concerns, while the included power adapter ensures reliable operation even in non-PoE environments. The phone's environmental compliance with WEEE directives reflects Cisco's commitment to sustainable electronics.
Dual-Port PoE Design
Two RJ-45 ports with PoE support enable daisy-chaining to another device or separate network connections, providing installation flexibility and power efficiency.
- Simplifies cabling
- Reduces power adapter needs
- Supports network expansion
Space-Efficient Deployment
The wall-mountable form factor and compact dimensions allow installation in tight spaces without sacrificing functionality.
- Saves desk space
- Ideal for high-traffic areas
- Secure mounting options
Deployment / Use Cases
The 6821 is well-suited for cost-sensitive deployments where reliable voice communication is essential but advanced features like video or touchscreens are unnecessary. Its two SIP lines make it effective for shared environments like hotel guest rooms, where guests can receive calls while staff use the second line for internal communication.
In office settings, install the phone on walls or partitions to free up desk space. The PoE capability reduces power outlet requirements, especially in retrofitted spaces. For smaller businesses, the 6821 provides a straightforward entry into VoIP systems without complex configuration.
Reception and Lobby Areas
Place this phone at front desks or building entrances where visitors need quick access to internal extensions or directory services.
Conference and Meeting Rooms
Use the speakerphone for group calls, with two lines allowing separate incoming/outgoing calls during meetings.
Physical Profile
Measuring 8.20" high, 6.70" wide, and 1.50" deep, the Cisco 6821 has a compact footprint that fits easily on desks or mounts securely to walls. Its approximate weight of 1.01 lb makes it lightweight yet durable for daily use. The wall-mountable design includes standard mounting points for vertical or horizontal installation.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 8.20" (208.28 mm), 6.70" (170.18 mm), 1.50" (38.10 mm), 1.01 lb (456 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 6.70" (170.18 mm)
- Depth
- 1.50" (38.10 mm)
- Height
- 8.20" (208.28 mm)
- Weight
- 1.01 lb (456 g)
What's in the Box
The package includes the 6821 IP Phone and a power adapter, providing everything needed for basic setup in both PoE and non-PoE network environments.
Highlights
- Supports 2 SIP lines for multiple concurrent calls
- 2.5" LCD screen displays caller ID and menu information
- Two RJ-45 ports with Power over Ethernet support
- Wall-mountable form factor for space-saving installation
- Corded handset and base ensure reliable connections
- Built-in speakerphone enables hands-free conversations
- Includes power adapter for non-PoE deployments
- Complies with WEEE environmental directives
- Covered by a one-year limited hardware warranty
- Part of the Cisco 6800 Series for business VoIP
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | CP-6821-3PW-NA-K9= |
| Brand Name | Cisco |
| Product Series | 6800 |
| Product Model | 6821 |
| Product Name | 6821 IP Phone |
| Product Type | IP Phone |
| Technical Information | |
| IP Phone Technology | VoIP |
| Handset Connectivity Technology | Corded |
| Base Unit Connectivity Technology | Corded |
| Total Number of Phone Lines | 2 |
| Caller ID | Yes |
| Speakerphone | Yes |
| Display & Graphics | |
| Screen Type | LCD |
| Screen Size | 2.5" |
| Interfaces/Ports | |
| Network (RJ-45) | Yes |
| Number of Network (RJ-45) Ports | 2 |
| PoE (RJ-45) Port | Yes |
| Physical Characteristics | |
| Form Factor | Wall Mountable |
| Height | 8.20" (208.28 mm) |
| Width | 6.70" (170.18 mm) |
| Depth | 1.50" (38.10 mm) |
| Weight (Approximate) | 1.01 lb (456 g) |
| Miscellaneous | |
| Package Contents | 6821 IP Phone Power Adapter |
| Environmentally Friendly | Yes |
| Environmental Compliance | Waste Electrical and Electronic Equipment Directive (WEEE) |
| Warranty | |
| Limited Warranty | 1 Year |
| Additional Warranty Information | The Cisco IP Phone 6800 Series is covered by a one-year limited hardware warranty. |
FAQ
How many simultaneous calls can this IP phone handle?
The Cisco 6821 supports two SIP lines, allowing two concurrent calls. This means you can have one active call on hold while answering another, or two separate calls simultaneously if configured for different extensions. It's suitable for shared environments or users needing basic multi-line functionality.
Does this phone require a separate power adapter?
The phone includes a power adapter in the box, but it also supports Power over Ethernet. If your network switch provides PoE, you can power the phone through the Ethernet cable, eliminating the need for the adapter. This simplifies installation and reduces cable clutter.
Can I mount this phone on a wall?
Yes, the Cisco 6821 is designed for wall mounting. Its form factor includes standard mounting points, allowing secure installation in lobbies, conference rooms, or other spaces where desk space is limited. The compact dimensions make it ideal for vertical or horizontal mounting.
What type of display does this phone have?
It features a 2.5" LCD screen that shows caller ID information, menu options, and status indicators. The display provides clear visibility for call management and phone configuration without requiring a large footprint.
How many Ethernet ports are available?
There are two RJ-45 Ethernet ports. Both support data transmission, and they are PoE-capable, allowing you to daisy-chain another device like a computer or additional IP phone. This dual-port design offers flexibility in network setup.
What warranty covers this IP phone?
The Cisco 6821 is covered by a one-year limited hardware warranty as part of the Cisco 6800 Series. This warranty protects against defects in materials and workmanship under normal use. Always retain your purchase documentation for warranty service claims.
| Qty | Price | Available |
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