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Product Features
Technical Overview
This IP phone operates on VoIP technology, converting audio signals into digital packets for transmission over IP networks. It includes two RJ-45 network ports, with one supporting Power over Ethernet to deliver both data and electrical power through a single cable.
The 7811 provides standard telephony features such as caller ID and a built-in speakerphone for hands-free conversations. Its hardware is refurbished to meet original performance specifications, backed by a 1-year limited warranty for peace of mind.
This section brings together practical product details such as IP Phone Technology, Total Number of Phone Lines, Caller ID, Network (RJ-45), 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 7811 combines essential VoIP functionality with a practical design suited for cost-conscious business environments. Its refurbished status offers a balance of affordability and reliability, while PoE support streamlines deployment.
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 Installation, Core Communication Features.
Simplified Installation
Power over Ethernet eliminates the need for a separate power adapter, reducing cable management and enabling placement away from electrical outlets.
- Single-cable power and data
- Wall-mountable flexibility
Core Communication Features
Includes caller ID and speakerphone functionality to support everyday business calling needs without unnecessary complexity.
- Hands-free capability
- Call identification
Deployment / Use Cases
This phone is ideal for small offices, reception desks, or auxiliary workstations where a basic, single-line VoIP extension is required. Its wall-mountable design makes it suitable for kitchens, warehouses, or retail counters where desk space is constrained.
The 7811 fits well into environments leveraging existing IP telephony infrastructure, such as Cisco Unified Communications Manager or compatible SIP-based systems. It serves as a dependable endpoint for routine voice communications without advanced multimedia features.
This section brings together practical product details such as IP Phone Technology, Total Number of Phone Lines, Caller ID, Network (RJ-45), so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Small Business Desks
Provides a straightforward VoIP solution for individual employees or shared spaces needing reliable voice connectivity.
Wall-Mounted Installations
Offers mounting flexibility in areas where traditional desk phones are impractical, maintaining professional communications in non-desk environments.
Physical Profile
The Cisco 7811 has a compact footprint measuring 8.15 inches in height, 7.68 inches in width, and 1.30 inches in depth. Its lightweight construction at 1.78 pounds facilitates easy mounting and repositioning. The wall-mountable form factor includes standard VESA-compatible mounting points, allowing secure installation on vertical surfaces without additional hardware modifications.
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 communications
- Single SIP line support for basic telephony needs
- Two RJ-45 network ports with PoE capability
- Wall-mountable design for flexible installation
- Built-in speakerphone and caller ID features
- Refurbished condition with 1-year limited warranty
- Compact dimensions ideal for space-constrained areas
- Power over Ethernet simplifies cabling and setup
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | CP-7811-3PWNAK9-RF |
| Brand Name | Cisco |
| Product Series | 7800 |
| Product Model | 7811 |
| Product Name | IP Phone 7811 |
| Product Condition | Refurbished |
| Product Type | IP Phone |
| Technical Information | |
| IP Phone Technology | VoIP |
| 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 | |
| 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 | |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | 1 Year |
| Additional Warranty Information | WARR-1YR-RTF-HW, WARR-1YR-RTF-HW In French Description: Small Business 1 Year Limited HW Hardware Replacement: Return To Factory |
User Manual
FAQ
How many SIP lines does the Cisco 7811 IP Phone support?
The Cisco 7811 supports one SIP line, making it suitable for individual users or basic extension needs in small business environments. This single-line configuration handles incoming and outgoing calls efficiently without multi-line complexity.
Does this IP phone support Power over Ethernet?
Yes, the Cisco 7811 includes a PoE-capable RJ-45 port. This allows the phone to receive both data and electrical power over a single Ethernet cable, eliminating the need for a separate power adapter and simplifying installation.
What are the network connectivity options on the 7811?
This phone features two RJ-45 network ports. One port connects to your network for data and PoE, while the second port can daisy-chain to another device like a computer, providing pass-through connectivity without requiring an additional network drop.
Is the Cisco 7811 wall mountable?
Yes, the 7811 is designed with a wall-mountable form factor. It includes standard mounting points compatible with typical VESA mounts, allowing flexible installation on walls or vertical surfaces where desk space is limited.
What warranty comes with this refurbished IP phone?
The Cisco 7811 includes a 1-year limited hardware warranty, identified by warranty code WARR-1YR-RTF-HW. This covers factory-refurbished hardware replacement, providing assurance of reliability for business use.
Does the phone have speakerphone capability?
Yes, the Cisco 7811 includes a built-in speakerphone for hands-free conversations. This feature supports convenient call handling during meetings or when multitasking, without requiring a separate headset or accessory.
How many SIP lines or accounts does this phone support?
The listed telephony detail is 1, 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.