SIP-T48U

The Yealink SIP-T48U is a premium business desk phone designed for executives, managers and power users who need a larger display, greater flexibility and advanced call handling.

With a 7-inch colour touch screen, dual USB ports and support for up to 16 SIP accounts, it delivers a modern, intuitive user experience backed by enterprise-grade performance, fully compatible with SIPcity’s Cloud PBX.

A Large, Responsive Touchscreen

The SIP-T48U features a 7-inch 800 × 480 colour touch screen with backlight, providing a clear and responsive interface for managing calls, contacts and features.

Switching between pages and applications is quick and intuitive. The screen makes it easier to:

• Monitor multiple lines
• Access contacts and directories
• Manage call queues or extensions
• View caller ID with name and photo

With 29 programmable one-touch DSS keys and support for up to three expansion modules, the T48U can provide up to 180 additional programmable buttons, ideal for reception and high-volume roles.

Dual USB for Greater Flexibility

A key advantage of the SIP-T48U is its dual USB ports, allowing you to connect two USB devices simultaneously.

This enables support for:

• Bluetooth (via BT40/BT41/BT52)
• Wi-Fi (via WF40/WF50)
• USB headsets
• USB call recording
• Expansion modules

You can tailor the phone to your environment without compromising on features.

Clear, Professional HD Audio

The SIP-T48U incorporates Yealink Optima HD Voice technology with Acoustic Shield and smart noise filtering to deliver clear, natural-sounding conversations.

Audio features include:

• HD handset and HD speakerphone
• Full-duplex hands-free calling
• Hearing Aid Compatible (HAC) handset
• 10-way audio conferencing

Whether you’re hosting a conference call or managing multiple inbound calls, voice clarity remains strong and consistent.

Built for High-Call and Executive Roles

With support for up to 16 SIP accounts and advanced call handling features such as call park, pickup, hot-desking, executive/assistant support and visual voicemail, the SIP-T48U suits:

• Executives and senior managers
• Reception desks
• Operations teams
• Call-heavy support environments

The larger display and programmable keys make managing complex call flows significantly easier.

Secure, Scalable and Easy to Deploy

The SIP-T48U supports dual Gigabit Ethernet with PoE for efficient installation. Advanced security features such as TLS 1.3, SRTP encryption, WPA3 support and secure boot help protect your communications.

Unified firmware across the Yealink T4U range simplifies provisioning and large-scale rollouts, reducing IT overhead and maintenance costs.

Key Features at a Glance

• 7″ 800 × 480 colour touch screen
• Up to 16 SIP accounts
• 29 programmable DSS keys
• Dual USB ports
• HD Voice with Acoustic Shield
• 10-way audio conferencing
• Dual Gigabit Ethernet ports
• PoE support
• Supports up to 3 expansion modules
• Headset and EHS support
• Wall mountable option

What’s in the Box

• Yealink SIP-T48U IP phone
• Handset and cord
• Ethernet cable (2m CAT5e)
• Adjustable stand
• Quick Start Guide

If you’re looking for a large touchscreen desk phone with serious flexibility, expansion capability and executive-level performance, the Yealink SIP-T48U is a strong, future-ready choice for SIPcity customers.

Need help deciding if it’s the right handset for your role? Our team is here to help.

See Datasheet