Cisco CP-7811-K9-RF 7811 IP Phone - Refurbished - VoIP - 1 SIP Line - 2 Ethernet Ports - PoE - Wall Mountable - Charcoal
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Product Features
Technical Overview
The Cisco 7811 operates on VoIP technology, transmitting voice calls over IP networks with clear audio fidelity. It includes two RJ-45 Ethernet ports—one for network connectivity and one for daisy-chaining additional devices—and supports Power over Ethernet to eliminate the need for a separate power adapter.
Call management features include built-in caller ID display and a full-duplex speakerphone for hands-free conversations. The phone complies with environmental standards like RoHS and WEEE, reflecting Cisco's commitment to sustainable manufacturing practices.
Relevant factors for this section include IP Phone Technology, Handset Connectivity Technology, Base Unit Connectivity Technology, Network (RJ-45). 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.
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 7811 combines practical VoIP functionality with a durable, space-efficient design. Its charcoal color and wall-mount option make it suitable for both desk and mounted deployments in offices, lobbies, or shared workspaces.
These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include Simplified Deployment, Essential Communication Features.
Simplified Deployment
PoE support allows installation in locations without accessible power outlets, reducing cabling complexity and setup time.
- Single-cable power and data
- Wall-mountable flexibility
- Compact footprint
Essential Communication Features
Includes core telephony functions needed for daily business operations, ensuring reliable performance.
- Caller ID display
- Speakerphone capability
- Corded handset stability
Deployment / Use Cases
Deploy the Cisco 7811 in environments where simplicity and cost-effectiveness are priorities. Its refurbished condition offers a budget-friendly option for expanding telephony infrastructure without sacrificing core functionality.
The phone integrates seamlessly into existing VoIP networks, supporting standard SIP protocols for compatibility with most IP-PBX systems and service providers.
Relevant factors for this section include IP Phone Technology, Handset Connectivity Technology, Base Unit Connectivity Technology, Network (RJ-45). 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.
Small Office Desk Phone
Ideal for individual employees or small teams requiring a dedicated, reliable voice line with basic features.
- Single-line support
- PoE for clean desk setup
- Compact size
Reception or Common Area
Suited for lobbies, waiting rooms, or shared spaces where a straightforward, wall-mounted phone is preferred.
- Wall-mountable design
- Charcoal finish
- Easy-to-use interface
Physical Profile
Measuring 8.15" (207 mm) high, 7.68" (195 mm) wide, and 1.30" (33 mm) deep, the 7811 has a slim profile that conserves desk space. The charcoal finish provides a neutral, professional appearance, while the wall-mount capability allows vertical installation to free up surface area.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 8.15" (207 mm), 7.68" (195 mm), 1.30" (33 mm), 1.78 lb (806 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 7.68" (195 mm)
- Depth
- 1.30" (33 mm)
- Height
- 8.15" (207 mm)
- Weight
- 1.78 lb (806 g)
Highlights
- VoIP technology for internet-based voice calls
- 1 SIP line supports essential single-line communication
- 2 Ethernet ports for network and pass-through connectivity
- Power over Ethernet (PoE) enabled for simplified wiring
- Wall-mountable design with flexible placement options
- Charcoal finish blends into professional environments
- Caller ID and speakerphone included for basic features
- Refurbished condition offers cost-effective reliability
- Complies with RoHS, REACH, and WEEE environmental standards
- Corded handset ensures stable audio connection
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | CP-7811-K9-RF |
| Brand Name | Cisco |
| Product Series | 7800 |
| Product Model | 7811 |
| Product Name | 7811 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 | 1 |
| Caller ID | Yes |
| Speakerphone | Yes |
| Interfaces/Ports | |
| Network (RJ-45) | Yes |
| Number of Network (RJ-45) Ports | 2 |
| PoE (RJ-45) Port | Yes |
| Physical Characteristics | |
| Color Family | Gray |
| Product Color | Charcoal |
| Form Factor | Wall Mountable |
| Height | 8.15" (207 mm) |
| Width | 7.68" (195 mm) |
| Depth | 1.30" (33 mm) |
| Weight (Approximate) | 1.78 lb (806 g) |
| Miscellaneous | |
| Environmentally Friendly | Yes |
| Environmental Compliance | Registration, Evaluation, Authorization and Restriction of Chemicals (REACH),Restriction of Hazardous Substances (RoHS),Waste Electrical and Electronic Equipment Directive (WEEE) |
FAQ
How many SIP lines does the Cisco 7811 support?
The Cisco 7811 supports one SIP line, making it suitable for individual users or locations requiring a dedicated phone line. This single-line configuration is ideal for small offices, reception desks, or personal workstations where basic voice communication is the primary need.
Does this IP phone support Power over Ethernet (PoE)?
Yes, the Cisco 7811 includes PoE support, allowing it to receive both power and data over a single Ethernet cable. This feature simplifies installation by eliminating the need for a separate power adapter, especially useful in areas where power outlets are limited or for wall-mounted setups.
What are the physical dimensions and weight of the phone?
The phone measures 8.15 inches (207 mm) in height, 7.68 inches (195 mm) in width, and 1.30 inches (33 mm) in depth, with an approximate weight of 1.78 pounds (806 grams). Its compact and lightweight design makes it easy to place on desks or mount on walls without occupying excessive space.
Can the Cisco 7811 be wall-mounted?
Yes, the Cisco 7811 is designed for wall mounting, providing flexibility in placement for environments like lobbies, kitchens, or shared workspaces. This form factor helps conserve desk space and allows for ergonomic positioning in various office layouts.
What color is the phone, and does it include a handset?
The phone features a charcoal finish, which is a neutral gray tone that fits well in professional settings. It includes a corded handset for traditional voice calls, ensuring reliable audio quality and a familiar user experience for those accustomed to standard telephone designs.
Is the Cisco 7811 refurbished, and what does that mean for reliability?
Yes, this Cisco 7811 is refurbished, meaning it has been professionally inspected, tested, and restored to full working condition. Refurbished products offer a cost-effective alternative to new devices while maintaining reliability, often coming from Cisco's certified refurbishment programs to ensure quality performance.
| Qty | Price | Available |
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