Yealink T57W

The Yealink SIP-T48U IP phone is a dynamic business communication solution designed specifically for executives and professionals. This phone features an attractive large touch screen, enabling seamless navigation between pages and applications with ease and convenience. Equipped with United Yealink Optima HD Voice technology and Opus wideband codec, the T48U delivers superior audio quality and crystal-clear voice communications. Furthermore, it incorporates dual USB ports, allowing for the seamless integration of Bluetooth, Wi-Fi, USB headsets, and USB recording, with the flexibility to use any of these features based on individual requirements. The Yealink T4U series maintains the elegant appearance of the T4 line while offering enhanced interoperability and improved collaboration capabilities.


  • Features a backlit-color touch screen with a size of seven inches and a resolution of 800 x 480 pixels, providing a visually engaging experience and intuitive navigation.
  • Equipped with two USB ports, the T48U enables seamless integration of Bluetooth, Wi-Fi, USB headsets, and USB recording, allowing users to leverage any two of these features to enhance phone functionality based on their specific requirements.
  • With 29 programmable one-touch DSS keys and support for up to three expansion modules, the phone offers extensive customization options, providing up to 180 additional buttons with a screen-based LCD display and LED indicators for efficient navigation and enhanced productivity.


Technical Overview

  • 7″ 800 x 480-pixel color touch screen with backlight
  • Opus codec support
  • Dual USB ports
  • Dual firmware images
  • T4U Auto-P template unified
  • T4U firmware unified
  • Up to 16 SIP accounts
  • Dual-port Gigabit Ethernet
  • PoE support
  • Paperless label design
  • Headset, EHS support
  • Wi-Fi via WF40/WF50
  • Bluetooth via BT40/BT41
  • USB recording
  • Supports color-screen expansion modules
  • Stand with two adjustable angles
  • Wall mountable

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