Yealink SIP-T40G IP Phone - 3 SIP Lines - PoE - Dual Gigabit Ethernet - Black - Desktop/Wall Mountable
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Product Features
Technical Overview
Built on Yealink's Optima HD voice technology, the SIP-T40G ensures crystal-clear audio quality with support for advanced codecs like Opus. The dual-port Gigabit Ethernet setup includes Power over Ethernet (PoE) capability, simplifying installation by delivering both data and power through a single cable.
This corded IP phone includes essential telephony features such as speakerphone, caller ID, and electronic hook switch (EHS) compatibility for headset integration. The paper label-free design contributes to a clean, professional appearance.
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 SIP-T40G combines practical functionality with a modern design that fits seamlessly into professional environments. Its dual Gigabit Ethernet ports allow for daisy-chaining to a computer or other network device, optimizing desk space and reducing cable clutter.
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 Enhanced Audio Quality, Simplified Deployment.
Enhanced Audio Quality
Yealink Optima HD voice technology and Opus codec support deliver superior sound clarity for both handset and speakerphone use.
- Wideband audio
- Noise reduction
- Echo cancellation
Simplified Deployment
PoE support eliminates the need for a separate power adapter, while the desktop and wall-mountable options provide installation flexibility.
- Single-cable power and data
- Versatile mounting
- Quick setup
Deployment / Use Cases
This IP phone is ideal for businesses seeking a reliable, feature-rich communication tool for everyday use. Its three SIP line capacity supports multiple call handling, making it suitable for reception areas, small team environments, or individual professionals.
The SIP-T40G fits well in offices, retail spaces, or healthcare settings where clear voice communication and easy installation are priorities. The headset and EHS compatibility enhance usability for extended call sessions or hands-free operation.
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.
Reception and Front Desk
Manage multiple incoming lines with caller ID and speakerphone functionality, maintaining a professional appearance with the sleek black design.
Small Office Workstations
Provide each employee with a dedicated phone that supports personal and shared lines, integrating seamlessly with existing network infrastructure.
Physical Profile
The SIP-T40G features a compact footprint measuring 8.35 inches wide, 6.89 inches high, and 7.44 inches deep. Its black finish and clean lines offer a modern look that complements various office decors. The stand provides two adjustable angles for comfortable viewing, and the unit is ready for wall mounting with standard hardware.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 6.89" (175 mm), 8.35" (212 mm), 7.44" (189 mm). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 8.35" (212 mm)
- Depth
- 7.44" (189 mm)
- Height
- 6.89" (175 mm)
Highlights
- Supports up to three SIP accounts for flexible call management
- Dual Gigabit Ethernet ports with PoE support for simplified cabling
- 2.3" graphical LCD with backlight for clear call information
- Yealink Optima HD voice technology with Opus codec for superior audio
- Electronic hook switch (EHS) compatible for headset integration
- Adjustable stand with two viewing angles for ergonomic use
- Desktop or wall-mountable form factor for versatile installation
- Paper label-free design for a clean, professional appearance
- Speakerphone and caller ID included as standard features
- Environmentally compliant with REACH and RoHS standards
Specifications
| Specifications | |
|---|---|
| Manufacturer | Yealink Network Technology Co., Ltd |
| Manufacturer Part Number | SIP-T40G |
| Brand Name | Yealink |
| Product Series | T4 |
| Product Model | SIP-T40G |
| Product Name | Ultra-elegant IP Phone |
| Product Type | IP Phone |
| Technical Information | |
| IP Phone Technology | VoIP |
| Handset Connectivity Technology | Corded |
| Base Unit Connectivity Technology | Corded |
| Total Number of Phone Lines | 3 |
| 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 | |
| Product Color | Black |
| Form Factor | Wall Mountable,Desktop |
| Height | 6.89" (175 mm) |
| Width | 8.35" (212 mm) |
| Depth | 7.44" (189 mm) |
| Miscellaneous | |
| Country of Origin | China |
| Environmentally Friendly | Yes |
| Environmental Compliance | Registration, Evaluation, Authorization and Restriction of Chemicals (REACH),Restriction of Hazardous Substances (RoHS) |
FAQ
How many SIP lines does the Yealink SIP-T40G support?
The SIP-T40G supports up to three SIP lines, allowing you to manage multiple accounts or extensions on a single device. This makes it suitable for reception desks, small offices, or users who need separate lines for different purposes.
Does this IP phone support Power over Ethernet (PoE)?
Yes, the SIP-T40G includes PoE support through its RJ-45 ports. This enables both data and power to be delivered over a single Ethernet cable, simplifying installation and reducing the need for a separate power adapter.
What are the network connectivity options on the SIP-T40G?
This phone features two Gigabit Ethernet (RJ-45) ports. One port connects to your network, while the second can be used to daisy-chain a computer or other device, helping to optimize desk space and network setup.
Can the SIP-T40G be mounted on a wall?
Yes, the SIP-T40G is designed for both desktop use and wall mounting. Its form factor includes mounting compatibility, providing flexibility in installation to suit different office layouts and space requirements.
What audio features does this IP phone include?
The SIP-T40G incorporates Yealink Optima HD voice technology and supports the Opus codec for high-quality audio. It includes a built-in speakerphone, caller ID, and electronic hook switch (EHS) compatibility for headset integration.
How many SIP lines or accounts does this phone support?
The listed telephony detail is 3, which helps buyers confirm deployment fit for desk-phone and unified-communications environments.
| Qty | Price | Available |
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