Cisco SPA512G-RF Refurbished IP Phone - VoIP - 1 SIP Line - 3-Way Conferencing - PoE - 2x RJ-45 Ports
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Product Features
Technical Overview
This Cisco IP phone operates on VoIP technology, converting voice signals into digital packets for transmission over IP networks. It establishes one concurrent SIP line for voice communication, supporting standard telephony protocols for interoperability with compatible VoIP systems and service providers.
The hardware configuration includes two RJ-45 Ethernet ports for network connectivity, with one port supporting PoE to deliver both data and electrical power through a single cable. This eliminates the need for a separate power adapter in PoE-enabled network environments.
Relevant factors for this section include IP Phone Technology, Total Number of Phone Lines, Multiple Conferencing, 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.
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 SPA512G-RF offers practical advantages for business telephony deployment, combining essential features with reliable performance in a refurbished condition that has been tested and verified for operation.
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, Essential Business Features.
Simplified Installation
PoE support allows deployment with a single network cable, reducing installation complexity and eliminating the need for nearby power outlets.
- Single-cable power and data
- Reduced cable management
- Flexible placement options
Essential Business Features
Includes standard telephony functions that support daily communication needs in professional environments.
- 3-way conference calling
- Caller identification display
- Hands-free speakerphone
Deployment / Use Cases
This IP phone is designed for individual desk deployment in business environments where reliable voice communication is essential. Its single-line configuration makes it suitable for personal office use, reception areas, or dedicated workstations.
The compact form factor and PoE capability enable flexible placement on desks, in cubicles, or mounted on walls where space is limited. The dual RJ-45 ports provide network pass-through functionality, allowing connection of additional network devices without requiring separate switch ports.
Relevant factors for this section include IP Phone Technology, Total Number of Phone Lines, Multiple Conferencing, 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.
Individual Workstation Phone
Ideal for personal office desks, providing dedicated voice communication with standard business features.
Reception or Common Area Phone
Suitable for shared spaces where basic telephony functions with caller ID and speakerphone are required.
Physical Profile
The phone features a compact design measuring 8.35 inches in height, 0.42 inches in width, and 1.73 inches in depth, with an approximate weight of 1.10 kilograms. This slim profile allows for minimal desk space consumption while maintaining accessibility to controls and display. The unit is designed for stable placement on level surfaces, with dimensions optimized for typical desk phone deployment scenarios.
- Width
- 0.42" (10.67 mm)
- Depth
- 1.73" (43.94 mm)
- Height
- 8.35" (212.09 mm)
- Weight
- 1.10 kg
Highlights
- Refurbished Cisco IP phone tested and verified for reliable operation
- Single SIP line configuration for individual workstation deployment
- 3-way conference calling capability for small group discussions
- Power over Ethernet (PoE) support simplifies installation
- Dual RJ-45 network ports with pass-through functionality
- Caller ID display for incoming call identification
- Integrated speakerphone for hands-free communication
- LCD screen for call information and menu navigation
- Compact physical dimensions minimize desk space requirements
- VoIP technology for voice transmission over IP networks
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | SPA512G-RF |
| Brand Name | Cisco |
| Product Series | SPA 500 |
| Product Model | SPA512G |
| Product Name | SPA512G IP Phone |
| Product Condition | Refurbished |
| Product Type | IP Phone |
| Technical Information | |
| IP Phone Technology | VoIP |
| Total Number of Phone Lines | 1 |
| Multiple Conferencing | 3 |
| Caller ID | Yes |
| Speakerphone | Yes |
| Display & Graphics | |
| Screen Type | LCD |
| Interfaces/Ports | |
| Network (RJ-45) | Yes |
| Number of Network (RJ-45) Ports | 2 |
| PoE (RJ-45) Port | Yes |
| Physical Characteristics | |
| Height | 8.35" (212.09 mm) |
| Width | 0.42" (10.67 mm) |
| Depth | 1.73" (43.94 mm) |
| Weight (Approximate) | 1.10 kg |
FAQ
How many simultaneous calls can this IP phone handle?
The Cisco SPA512G-RF supports one concurrent SIP line, meaning it can handle one active call at a time. This single-line configuration is designed for individual user deployment where dedicated voice communication is required without multiple simultaneous call capabilities.
Does this phone support conference calling?
Yes, this IP phone supports multiple conferencing with capacity for three participants. This allows you to connect two additional parties to your active call for small group discussions, making it suitable for basic business conference scenarios without requiring separate conference equipment.
What Power over Ethernet capabilities does this phone have?
The phone includes PoE support through one of its RJ-45 ports, allowing it to receive both data and electrical power over a single Ethernet cable. This eliminates the need for a separate power adapter when connected to a PoE-enabled network switch or injector, simplifying installation and reducing cable clutter.
How many network ports are available on this IP phone?
This Cisco IP phone features two RJ-45 Ethernet ports. One port connects to your network for data and optional PoE power, while the second port provides network pass-through functionality, allowing you to connect another network device like a computer without requiring an additional switch port.
What display technology does this phone use?
The phone utilizes an LCD screen for displaying call information, menu options, and system status. This monochrome display provides clear visibility of caller ID, call duration, and configuration settings without the power consumption requirements of more advanced display technologies.
What audio features are included with this IP phone?
The phone includes both caller ID functionality for identifying incoming calls and an integrated speakerphone for hands-free communication. These standard telephony features support daily business communication needs, allowing users to screen calls and participate in conversations without holding the handset.
| Qty | Price | Available |
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