Yealink SIP-T48U IP Business Phone 7 inch Touchscreen

Yealink SIP-T48U Business Touchscreen Phone Details

The Yealink SIP-T48U is a revolutionary SIP business phone with a large 7-inch Touch Screen. It provides a dynamic business telecommunications solution for receptionists, executives and professional business users. This IP phone employs an appealing large touch screen that makes switching between pages and applications swift, easy and convenient.

With HD Audio, the T48U unites Optima HD Voice technology and wide-band codec of Opus. The T48U awards you with superb audio quality and crystal-clear voice communications. This desk phone also has dual USB ports to allow for Bluetooth, Wi-Fi, USB headset and USB recordings using a USB storage device, and you can use any two of them freely according to your needs.

T48U main feature details

The Yealink new T4U series offers the same elegant appearance as the older T4 line, but with improvements for greater interoperability and better collaboration features.

SIP-T48U Main Features and Options

Easy Phone Customization and Expansion

The SIP-T48U has a seven-inch, 800 x 480-pixel, back lit- colour touch screen, which enables a rich visual presentation and easy navigation. Accompanied by two USB ports, the T48U is your right-hand man in the office that makes Bluetooth, Wi-Fi, USB headset and USB recording possible, and you can use any two of them freely according to your needs to enrich phone features. Meanwhile, the phone not only has 29 one-touch DSS keys that can be easily programmed to various features, but also can connect up to three expansion modules, for up to 180 additional buttons with a screen-based LCD display and LED system.

Secure Telecommunication Transport and Interoperability

Yealink T4U series uses SIP over Transport Layer Security (TLS/SSL), which is the latest network security technology. It’s also compatible with leading soft switch suppliers, such as 3CX, Broadsoft Broadworks. Moreover, it is carried with dual firmware images that gives you a enterprise-level protection to avoid bricking your system once upgrade failed.

HD Sound and Audio Telephony

Yealink Optima HD Voice technology combines cutting-edge hardware and software with wide band technology for maximum acoustic performance. Being a totally open, highly versatile audio codec, Opus, is designed to perform a higher HD audio quality than other wide band codecs in a high network bandwidth; However, if your current network quality is poor, Opus can provide you with a better audio quality than other narrow band codecs. And its hearing aid compatible (HAC) handset helps the person who is with hearing loss to hear the voice more clearly.

Efficient Installation and Provisioning

Yealink T4U series supports efficient provisioning and effortless mass deployment with Yealink’s Redirection and Provisioning Service (RPS) and Boot mechanism to help you realize the Zero Touch Provisioning without any complex manual settings, which makes the T4U series simple to deploy, easy to maintain and upgrade. Furthermore, a unified firmware and auto-p template that applies to all T4U phone models, saves even more time and costs for businesses, as well as simplifies management and maintenance.

Yealink T48U Main Specification Details

  • 7" 800 x 480-pixel colour touch screen with back-light
  • 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 (sold separately)
  • Bluetooth via BT40/BT41 (sold separately)
  • USB recording
  • Supports colour-screen expansion modules
  • Stand with two adjustable angles
  • Wall mountable

USB port (2.0 compliant) for:

 - Bluetooth earphone through BT40/BT41
 - Contact synchronization through BT40/BT41
 - Simultaneous connection of one headset and one mobile phone through BT40/BT41
 - Wi-Fi through WF40/WF50
 - USB call recording through USB flash drive
 - USB headset
 - Expansion Module EXP43
 - Wireless Headset Adapter EHS40

USB/Bluetooth connectivity to Yealink CP900/CP700 speakerphone, USB connectivity to Yealink UH36 headset:

 - Basic functions: Answer / end, call mute
 - Enhanced function: audio optimization, redial, call hold, volume synchronization, multiple calls control

SIP-T48U IP Desk Accessories

YealinkT4 series desk phones

Brand Manufacturer:
Yealink Canada
SKU - Product Code:
Equipment Use Type:
HIGH END - Wired IP Phones
Yes - HD (High Definition)
LCD Screen:
7 inch Colour Touchscreen
Programmable VMPKs softkeys:
Extension Module Expansion:
Yes - EXP43
Gigabyte - 10 100 1000 Network:
Yes - 2 Dual Gigabit - 1 LAN + 1 PC Bridge Port
WiFi Capable:
via WF40/WF50 dongle - sold separately
PoE - Power Over Ethernet:
BlueTooth Integrated:
No - BlueTooth Dongle Upgradable
HD Audio:
HeadSet Support:
Yes - USB - BlueTooth - EHS-RJ9 Support
USB Port:
2x USB Ports
Box Contains:
IP phone - handset and cord - base stand - network cable - installation guide
Base Stand Included:
Wall Mount Included:
No - Sold Separately
Line Capacity:
SIP Accounts Supported:
Multilanguage Support:
Conference Calling Support:
Yes - 10 way audio
Encryption: Standard - TLS - SRTP:
Call Forwarding:
Call Log - Redial:
Call Park:
Call Pick-up:
Call Transfer:
Call Waiting:
Downloadable PhoneBook (XML - LDAP):
Flexible dial plan:
Message Waiting Indicator:
Off-Hook Auto-dial:
Personalize Ring Tones:
In stock
Other Details


LCD Screen7 inch Colour Touchscreen BlueTooth IntegratedNo - BlueTooth Dongle Upgradable