Yealink T43U IP Phone | 12 Lines | Dual Gigabit | PoE – SIP-T43U

Product Overview

The Yealink T43U (SIP-T43U) is a feature-rich IP phone designed for professionals who need reliable communications with flexible connectivity options. Featuring a 3.7-inch backlit graphical LCD with 360x160 resolution, the T43U provides clear call information and intuitive navigation through its user-friendly interface with icons and soft keys.

Supporting up to 12 SIP accounts with 8 programmable line keys across 3 pages (21 paperless DSS keys total), the T43U efficiently handles high call volumes. Dual USB 2.0 ports enable Bluetooth and Wi-Fi connectivity via optional dongles, USB headset support, and USB call recording. Yealink Optima HD Voice technology with Acoustic Shield delivers crystal-clear audio quality through the full-duplex speakerphone, HAC-compatible handset, or connected headset.

Dual Gigabit Ethernet ports with PoE support provide fast network connectivity and single-cable deployment. The T43U supports the EXP43 color-screen expansion module for additional programmable keys, making it ideal for receptionists and power users. Integrated Hall Switch technology ensures quieter operation, while TLS 1.3 encryption protects your communications.

Who Should Use This Product?

Knowledge Workers

Ideal for professionals managing moderate-to-high call volumes who need multiple line appearances and HD audio quality for clear communications

Administrative Staff

Perfect for receptionists and assistants who benefit from 21 programmable DSS keys and optional expansion module support for BLF monitoring

Open Office Environments

Excellent for open-plan workspaces where Acoustic Shield technology isolates voice and eliminates background distractions

Why Choose This Product

The Yealink T43U delivers enterprise-grade communications with the flexibility modern businesses demand. Dual USB ports enable wireless connectivity via optional Bluetooth and Wi-Fi dongles, USB headset support for hands-free productivity, and call recording to USB flash drives for compliance and training purposes. The 21 programmable DSS keys across three pages provide extensive speed dial and BLF monitoring capability without requiring additional hardware.

IT administrators benefit from Yealink's Device Management Platform for centralized provisioning, zero-touch deployment via RPS, and unified T4U series firmware that simplifies fleet management. Dual Gigabit Ethernet with PoE support enables single-cable deployment, while dual firmware images provide enterprise-level protection during updates. The phone's broad SIP compatibility ensures seamless integration with 3CX, Asterisk, BroadSoft, and most major platforms.

Will This Work for Me?

Works With

  • Yealink Device Management Platform
  • 3CX, Asterisk, FreePBX, BroadSoft, Metaswitch, RingCentral, most SIP platforms

Requirements

  • PoE switch (802.3af) or Yealink 5V/1.2A power adapter (optional, sold separately)
  • Ethernet network connection
  • SIP account credentials from PBX administrator

Software

  • Yealink Device Management Platform (optional for enterprise provisioning and zero-touch deployment)

Note

Wi-Fi and Bluetooth require optional USB dongles (WF40/WF50 for Wi-Fi, BT40/BT41/BT52 for Bluetooth). Power adapter not included; use PoE or purchase separately. Wall mount bracket optional.

What's in the Box

  • Yealink T43U IP Phone
  • Handset
  • Handset cord
  • Ethernet cable (2m CAT5E UTP)
  • Phone stand
  • Quick start guide

Technical Specifications

Primary Attributes

Color: Classic Gray
Display Resolution: 360x160
Display Size: 3.7"
Ethernet Ports: 2
Ethernet Speed: 10/100/1000 Mbps
Phone Connectivity: IP / SIP
PoE Support: 802.3af (PoE)
Power Options: PoE, AC Adapter
Programmable Keys: 21
SIP Lines: 12
USB-A Ports: 2
USB-C Ports:
Video Capable: No
Warranty: 12 months
WiFi: Optional Module

T4 Series Models (1)

View Yealink T46U IP Phone | 16 Lines | Dual USB | PoE – SIP-T46U
Yealink T46U IP Desk Phone - SIP-T46U - 1301203
Yealink logo

T46U

SKU: SIP-T46U
Condition: New
Stock: 250+
$245.00
$269.00
Save $24.00
(9% off)