The Yealink SIP-T48U is a premium business IP phone designed for executives and busy professionals who require advanced features and a large, intuitive interface. It is part of the upgraded T4U series, offering dual USB ports for greater connectivity flexibility and enhanced security.
Key features
- Large touch screen: A 7-inch (800 x 480 pixel) color touch screen with a backlight makes it easy to switch between pages and applications with a simple tap.
- Dual USB ports: The two USB 2.0 ports provide flexible connectivity for multiple peripherals simultaneously. You can use one for an expansion module and another for a USB headset, or add Wi-Fi and Bluetooth capabilities with the optional BT41 or WF50 dongles.
- HD audio quality: Yealink’s Optima HD Voice and Acoustic Shield technologies ensure crystal-clear conversations by combining high-end hardware and software to eliminate background noise.
- Advanced security: The T48U is equipped with the latest security mechanisms, including support for TLS 1.3, for faster and more robust encryption, ensuring your conversations are secure.
- Opus codec support: The phone supports the Opus wideband audio codec, which provides higher HD audio quality over high-network bandwidths and better audio quality than other codecs in lower network quality conditions.
- Expandable: Supports the EXP43 color-screen expansion module for additional programmable keys, allowing users to handle more lines and features.
- Fast connectivity: Dual-port Gigabit Ethernet with Power over Ethernet (PoE) support ensures rapid call handling and a clean, single-cable installation.
- Simplified management: The T4U series uses a unified firmware and auto-P template, which simplifies maintenance, upgrades, and large-scale deployments.
Who is it for?
The Yealink SIP-T48U is ideal for executives, managers, and administrative assistants with a high call volume who need a robust phone with a large, easy-to-use interface. Its dual USB ports and support for expansion modules make it a flexible and powerful tool for managing complex communication needs.