Yealink SIP-T43U T43U 12-Line IP Phone - VoIP LCD - 2x Ethernet - PoE - Corded - Wall Mountable - Classic Gray
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Product Features
Technical Overview
The T43U operates on VoIP technology, enabling crystal-clear voice calls over internet networks. It includes two RJ-45 Ethernet ports for network connectivity and daisy-chaining, along with a USB port for potential expansion accessories.
The phone supports 12 SIP lines, allowing multiple concurrent calls or extensions. Standard telephony features like caller ID and a built-in speakerphone enhance usability for daily business operations.
Relevant factors for this section include IP Phone Technology, Handset Connectivity Technology, Base Unit Connectivity Technology, 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 T43U offers a balance of capacity and simplicity, with 12 SIP lines supporting medium-sized teams or multi-line requirements. PoE compatibility reduces cable clutter and installation complexity, ideal for offices with structured network setups.
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 Clear Communication, Practical Connectivity.
Clear Communication
VoIP technology delivers high-quality voice calls over internet connections, while the LCD screen ensures easy access to call logs and settings.
- Superior voice clarity
- User-friendly interface
Practical Connectivity
Dual Ethernet ports allow for direct network connection and pass-through to other devices, and PoE support eliminates the need for a separate power adapter.
- Simplified cabling
- Flexible network integration
Deployment / Use Cases
This IP phone is well-suited for office desks, reception areas, or conference rooms where reliable voice communication is essential. Its wall-mountable design provides placement flexibility in spaces with limited desk surface.
The 12-line capacity makes it a fit for small to medium businesses, branch offices, or departments requiring multiple extensions. PoE support integrates seamlessly with existing network infrastructure, reducing deployment time and costs.
Relevant factors for this section include IP Phone Technology, Handset Connectivity Technology, Base Unit Connectivity Technology, 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.
Office Desk Setup
Ideal for individual workstations or shared spaces, offering clear audio and straightforward operation for daily calling tasks.
Reception or Common Areas
Suitable for front desks or lobbies, where the wall-mount option saves space and maintains a professional appearance.
Physical Profile
The T43U features a Classic Gray finish that blends with office decor. Its dimensions of 4.80" (122 mm) height, 8.98" (228 mm) width, and 10.16" (258 mm) depth provide a compact footprint for desk use, while the wall-mountable design offers installation versatility.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 4.80" (122 mm), 8.98" (228 mm), 10.16" (258 mm), 2.60 lb (1180 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 8.98" (228 mm)
- Depth
- 10.16" (258 mm)
- Height
- 4.80" (122 mm)
- Weight
- 2.60 lb (1180 g)
Highlights
- 12 SIP lines for multiple concurrent calls or extensions
- Power over Ethernet (PoE) support simplifies installation
- Dual RJ-45 Ethernet ports for network connectivity and daisy-chaining
- LCD screen for clear call information and menu navigation
- Corded handset and base unit ensure stable connections
- Built-in speakerphone for hands-free communication
- Caller ID functionality for identifying incoming calls
- Wall-mountable design for flexible placement options
- Classic Gray color suits professional office environments
- USB port available for expansion accessories
Specifications
| Specifications | |
|---|---|
| Manufacturer | Yealink Network Technology Co., Ltd |
| Manufacturer Part Number | SIP-T43U |
| Brand Name | Yealink |
| Product Series | T4 |
| Product Model | T43U |
| Product Name | T43U 12 Line 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 | 12 |
| Caller ID | Yes |
| Speakerphone | Yes |
| Display & Graphics | |
| Screen Type | LCD |
| Interfaces/Ports | |
| Network (RJ-45) | Yes |
| Number of Network (RJ-45) Ports | 2 |
| USB | Yes |
| PoE (RJ-45) Port | Yes |
| Physical Characteristics | |
| Color Family | Gray |
| Product Color | Classic Gray |
| Form Factor | Wall Mountable |
| Height | 4.80" (122 mm) |
| Width | 8.98" (228 mm) |
| Depth | 10.16" (258 mm) |
| Weight (Approximate) | 2.60 lb (1180 g) |
| Warranty | |
| Limited Warranty | 12 Month |
FAQ
How many SIP lines does the Yealink T43U support?
The Yealink T43U supports 12 SIP lines. This capacity allows for multiple concurrent calls or extensions, making it suitable for small to medium businesses or departments that require handling several communication channels simultaneously without needing additional hardware.
Does this IP phone support Power over Ethernet (PoE)?
Yes, the T43U includes PoE support. This feature enables the phone to receive both data and electrical power through a single Ethernet cable, reducing cable clutter and simplifying installation in offices with PoE-capable network switches or injectors.
How many Ethernet ports are available on the T43U?
The T43U has two RJ-45 Ethernet ports. One port connects to the network, while the second can be used for daisy-chaining another device, such as a computer or additional network equipment, providing flexible integration into existing office setups.
Is the handset corded or cordless?
The T43U comes with a corded handset. This design ensures a reliable physical connection to the base unit, minimizing interference and dropout issues common in cordless models, which is beneficial for consistent voice quality in busy office environments.
Can the T43U be mounted on a wall?
Yes, the T43U is wall-mountable. This form factor offers placement flexibility, allowing installation in spaces with limited desk surface, such as reception areas, conference rooms, or cubicles, while maintaining a professional and organized appearance.
How many SIP lines or accounts does this phone support?
The listed telephony detail is 12, which helps buyers confirm deployment fit for desk-phone and unified-communications environments.
| Qty | Price | Available |
|---|
