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Product Features
Technical Overview
This Cisco 6821 phone operates on VoIP technology, transmitting audio signals over IP networks to reduce traditional telephony costs. It features two network (RJ-45) ports, with one supporting PoE for streamlined power delivery. The corded handset and base unit ensure consistent audio quality without wireless interference.
The 2.5-inch LCD screen displays caller ID, call logs, and configuration settings with clarity. Integrated speakerphone functionality allows for hands-free conversations, enhancing usability in office environments. Physical dimensions measure 8.20 inches in height, 6.70 inches in width, and 1.50 inches in depth, with an approximate weight of 1.01 pounds for a compact desk footprint.
This section brings together practical product details such as IP Phone Technology, Handset Connectivity Technology, Base Unit Connectivity Technology, Screen Type, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
The Cisco 6821 combines essential VoIP features with practical design elements that benefit business users. Its PoE support reduces cabling complexity and installation costs, particularly in locations where power outlets are scarce or inconvenient.
Cost-Effective Communication
Leverage VoIP technology to route calls over internet connections, bypassing traditional toll charges and lowering monthly telephony expenses for businesses.
- Uses existing network infrastructure
- Reduces long-distance call costs
Flexible Deployment
The wall-mountable design and compact size allow installation in various environments, from office desks to conference rooms or reception areas.
- Saves desk space
- Adapts to different room layouts
Reliable Performance
Corded connectivity ensures stable audio transmission, while the 1-year warranty and WEEE compliance reflect durability and environmental responsibility.
- Minimizes dropouts or interference
- Supports sustainable IT practices
Deployment / Use Cases
The Cisco 6821 IP Phone is ideal for small to medium-sized businesses seeking affordable, reliable telephony solutions. Its two-line capacity suits environments where employees handle multiple calls or where phones are shared among staff.
Common deployment scenarios include front desks, hotel lobbies, conference halls, and guest rooms, where cost-effective voice communication is prioritized. The PoE capability makes it especially useful in retrofitted buildings or temporary setups where power access is limited.
This section brings together practical product details such as IP Phone Technology, Handset Connectivity Technology, Base Unit Connectivity Technology, Screen Type, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Office Desks
Provide dedicated phone lines for individual employees or shared workstations in open-plan offices.
Hospitality & Reception
Install in lobbies, front desks, or guest rooms to handle incoming calls and inquiries efficiently.
Physical Profile
The phone features a slim profile with dimensions of 8.20" (H) x 6.70" (W) x 1.50" (D), allowing it to fit comfortably on most desks or mount neatly on walls. The lightweight design at approximately 1.01 pounds ensures easy handling during installation. The wall-mountable option provides additional placement flexibility for space-constrained environments.
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)
Highlights
- Supports 2 SIP lines for multiple call handling
- 2.5-inch LCD screen for clear call information display
- Power over Ethernet (PoE) for simplified installation
- Two network (RJ-45) ports for connectivity flexibility
- Corded handset and base unit for reliable audio
- Wall-mountable form factor saves desk space
- Integrated speakerphone enables hands-free conversations
- 1-year limited warranty on refurbished unit
- WEEE environmental compliance
- VoIP technology reduces telecommunication costs
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | CP-6821-3PWNAK9-RF |
| Brand Name | Cisco |
| Product Series | 6800 |
| Product Model | 6821 |
| Product Name | 6821 IP Phone |
| Product Condition | Refurbished |
| 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 | |
| Environmental Compliance | Waste Electrical and Electronic Equipment Directive (WEEE) |
| Warranty | |
| Limited Warranty | 1 Year |
User Manual
FAQ
How many SIP lines does this Cisco 6821 phone support?
The Cisco 6821 IP Phone supports two SIP lines, allowing it to handle two simultaneous calls or separate call paths. This makes it suitable for small offices, reception areas, or shared workspaces where multiple lines are needed for efficient communication.
Does this phone support Power over Ethernet (PoE)?
Yes, this phone includes a PoE (RJ-45) port that delivers both data and power over a single network cable. This eliminates the need for a separate power adapter, simplifying installation in locations where electrical outlets are not readily available.
What is the screen size and type on this IP phone?
The phone features a 2.5-inch LCD screen that displays caller ID, call logs, menu settings, and other essential information. The LCD technology provides clear visibility for everyday use in office environments.
Can this phone be wall-mounted?
Yes, the Cisco 6821 has a wall-mountable form factor, offering flexible installation options beyond desk placement. This is useful for saving space in compact areas like conference rooms, lobbies, or kitchens.
Is the handset corded or wireless?
The handset uses corded connectivity, ensuring stable audio transmission without the risk of wireless interference or battery drain. The base unit is also corded, providing reliable network and power connections.
What warranty comes with this refurbished phone?
This refurbished Cisco 6821 IP Phone includes a 1-year limited warranty, covering defects in materials or workmanship. The warranty provides assurance for business deployments, complementing the phone's durable construction and compliance with WEEE environmental standards.
How many SIP lines or accounts does this phone support?
The listed telephony detail is 2, which helps buyers confirm deployment fit for desk-phone and unified-communications environments.
Does this model support PoE?
The listed telephony detail is Yes, which helps buyers confirm deployment fit for desk-phone and unified-communications environments.