Yealink SIP-T48U IP Phone | PoE | 7" Touch Screen | 16 Lines – 1301204
16-line IP phone · 7" color touch screen · Dual USB · Gigabit PoE
Certified Women-Owned
- 7" Color Touch Screen
- 16 SIP Accounts · 29 DSS Keys
- Optima HD Voice · Acoustic Shield
- Dual USB Ports
- Gigabit PoE · Dual Ethernet
- Hearing Aid Compatible · EHS Support
Will this work for me?
View Requirements
16-line IP phone · 7" color touch screen · Dual USB · Gigabit PoE
Certified Women-Owned
- 7" Color Touch Screen
- 16 SIP Accounts · 29 DSS Keys
- Optima HD Voice · Acoustic Shield
- Dual USB Ports
- Gigabit PoE · Dual Ethernet
- Hearing Aid Compatible · EHS Support
Will this work for me?
View RequirementsProduct Overview
Supporting up to 16 SIP accounts, the T48U handles high call volumes with ease. Dual USB ports enable USB headsets, USB call recording, and optional Yealink dongles for Bluetooth (BT41) or Wi-Fi (WF40/WF50) connectivity—giving you the flexibility to use any two functions at once. Yealink Optima HD Voice technology, Acoustic Shield, and Smart Noise Filtering deliver crystal-clear, natural conversations through the hearing aid compatible handset and full-duplex speakerphone.
Dual-port Gigabit Ethernet with PoE support enables clean single-cable deployment, while PC passthrough keeps your computer connected. The T48U supports up to three EXP50 expansion modules for up to 180 additional buttons, making it ideal for receptionists and power users. With unified T4U series firmware and TLS 1.3 security, the T48U simplifies fleet deployment while keeping conversations secure.
The large backlit touch screen provides a rich visual experience with effortless navigation between pages and applications, streamlining daily call handling.
- • 7-inch 800 x 480 color LCD
- • Capacitive touch with backlight
- • Intuitive page-based interface
Manage high call volumes and multiple extensions with ease. Program 29 one-touch DSS keys for BLF, speed dial, and feature shortcuts.
- • Up to 16 SIP accounts
- • 29 one-touch DSS keys
- • Supports up to 3 EXP50 modules (180 keys)
Enjoy crystal-clear, natural conversations with wideband audio, Acoustic Shield, and Smart Noise Filtering that suppress background distractions.
- • Optima HD Voice (wideband)
- • Opus, G.722, G.711 codecs
- • Full-duplex speakerphone with AEC
Two USB ports let you connect a USB headset, record calls to a USB stick, or add optional Bluetooth and Wi-Fi dongles—use any two functions freely.
- • Dual USB 2.0 ports
- • USB headset and USB recording
- • Bluetooth (BT41) / Wi-Fi (WF40/WF50) via dongle
Power and connect over a single cable for clean desk deployment. Gigabit PC passthrough keeps your computer connected without a separate switch.
- • Dual-port Gigabit Ethernet
- • PoE support (802.3af)
- • PC passthrough port
The HAC handset ensures accessibility, while RJ9 headset and EHS support allow seamless wireless headset integration for hands-free productivity.
- • Hearing aid compatible (HAC) handset
- • RJ9 headset port
- • EHS support
Who Should Use This Product?
Executives and Managers
Ideal for C-level professionals and managers with heavy call volumes who need a premium touch-screen interface and extensive line capacity.
Receptionists and Assistants
Perfect for front-desk staff and executive assistants who require 29 DSS keys plus expansion modules for BLF monitoring of many extensions.
Headset-Reliant Users
Excellent for call-heavy staff who prefer USB or wireless headsets, with dual USB ports and EHS support for hands-free operation.
Why Choose This Product
For IT teams, the T48U simplifies deployment with dual-port Gigabit Ethernet, PoE support for single-cable installation, and unified T4U series firmware that streamlines provisioning and updates across an entire fleet. Dual USB ports future-proof the phone with optional Bluetooth and Wi-Fi connectivity, and TLS 1.3 security keeps communications protected. Broad SIP compatibility makes it a reliable fit for diverse enterprise and hosted VoIP environments.
Will This Work for Me?
Works With
- • Yealink Device Management Platform (YDMP/YMCS)
- • 3CX, Asterisk, FreePBX, BroadSoft, Metaswitch, and most SIP platforms
Requirements
- • PoE switch (802.3af) or Yealink 5V/2A power adapter (adapter not included)
- • Ethernet network connection
- • SIP account credentials from PBX administrator
Software
- • Yealink Device Management Platform (optional for enterprise provisioning)
Note
Power adapter sold separately. Bluetooth requires BT41 dongle; Wi-Fi requires WF40/WF50 dongle. EXP50 expansion modules sold separately (up to 3 supported).
What's in the Box
- IP Phone
- Handset
- Handset cord
- Ethernet cable
- Stand
- Wall mount bracket (optional)
- Quick start guide