Cisco CP-3905= 3905 IP Phone - VoIP - 1 SIP Line - 2 PoE Ports - Charcoal - Wall/Desktop Mountable
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Product Features
Technical Overview
Built on VoIP technology, the Cisco 3905 transmits audio signals over IP networks, reducing reliance on traditional telephone lines. It includes two RJ-45 network ports with Power over Ethernet, allowing data and electrical power to be delivered through a single cable.
The phone supports corded connectivity and integrates a speakerphone for hands-free conversations. Its technical design focuses on operational efficiency and compatibility with standard IP telephony systems.
Relevant factors for this section include IP Phone Technology, Base Unit Connectivity Technology, Total Number of Phone Lines, 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 Cisco 3905 offers practical benefits for business communication setups. Its PoE capability eliminates the need for separate power adapters, reducing cable clutter and simplifying installation.
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 Flexible Deployment, Cost-Effective Communication.
Flexible Deployment
Designed for both wall and desktop mounting, this phone adapts to various office layouts without requiring dedicated desk space.
- Wall mountable
- Desktop placement
Cost-Effective Communication
By leveraging VoIP technology, it helps bypass traditional telephone toll charges, offering a more economical solution for voice communications.
Deployment / Use Cases
The Cisco 3905 is ideal for small to medium-sized offices, retail spaces, or reception areas where reliable voice communication is essential. Its single SIP line configuration suits individual workstations or shared phone points.
Common deployment scenarios include front desks, conference rooms, or remote work setups. The PoE support makes it compatible with standard network switches, facilitating integration into existing IT infrastructure.
Relevant factors for this section include IP Phone Technology, Base Unit Connectivity Technology, Total Number of Phone Lines, 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.
Physical Profile
Measuring 5.91" wide, 8.07" deep, and 2.11" high, the Cisco 3905 has a compact footprint that conserves desk space. Its charcoal gray finish provides a professional appearance that blends with office decor.
Weighing approximately 1.31 pounds, the phone is lightweight yet durable, suitable for wall mounting or desktop use. The design includes standard mounting points for secure installation.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 2.11" (53.59 mm), 5.91" (150.11 mm), 8.07" (204.98 mm), 1.31 lb (594.30 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 5.91" (150.11 mm)
- Depth
- 8.07" (204.98 mm)
- Height
- 2.11" (53.59 mm)
- Weight
- 1.31 lb (594.30 g)
Highlights
- VoIP technology for internet-based voice communications
- 1 SIP line for straightforward call management
- 2 network ports with Power over Ethernet support
- Speakerphone functionality for hands-free conversations
- Charcoal color with professional office aesthetics
- Wall mountable and desktop form factor options
- Corded connectivity for reliable operation
- Compact dimensions: 5.91" x 8.07" x 2.11"
- Lightweight design at 1.31 pounds
- 90-day limited warranty
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | CP-3905= |
| Brand Name | Cisco |
| Product Series | 3900 |
| Product Model | 3905 |
| Product Name | 3905 IP Phone |
| Product Type | IP Phone |
| Technical Information | |
| IP Phone Technology | VoIP |
| Base Unit Connectivity Technology | Corded |
| Total Number of Phone Lines | 1 |
| 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,Desktop |
| Height | 2.11" (53.59 mm) |
| Width | 5.91" (150.11 mm) |
| Depth | 8.07" (204.98 mm) |
| Weight (Approximate) | 1.31 lb (594.30 g) |
| Miscellaneous | |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | 90 Day |
FAQ
How many SIP lines does the Cisco 3905 support?
The Cisco 3905 IP Phone supports one SIP line. This configuration is suitable for individual users or shared phone points where a single concurrent call is sufficient for communication needs.
Does this phone support Power over Ethernet?
Yes, the Cisco 3905 includes two RJ-45 network ports with Power over Ethernet capability. This allows both data and electrical power to be delivered through a single Ethernet cable, simplifying installation and reducing cable clutter.
What mounting options are available for this IP phone?
This phone is designed for both wall mounting and desktop placement. It includes the necessary hardware and form factor to be securely installed on walls or placed directly on desks, offering flexibility for different office layouts.
What color is the Cisco 3905 IP Phone?
The Cisco 3905 features a charcoal gray finish. This neutral color provides a professional appearance that blends well with standard office decor and equipment.
Does the Cisco 3905 have a speakerphone?
Yes, the Cisco 3905 includes a built-in speakerphone. This feature enables hands-free conversations, making it convenient for conference calls or when multitasking during phone conversations.
What is the warranty period for this IP phone?
The Cisco 3905 IP Phone comes with a 90-day limited warranty. This warranty covers manufacturing defects and ensures product reliability for business use during the initial period after purchase.
| Qty | Price | Available |
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