Yealink SIP-T48U Advanced SIP Phone for Professionals

Description The Yealink SIP-T48U is built for professionals and executives who demand outstanding communication performance, flexibility and scalability. Featuring a large 7-inch (800 × 480) color touchscreen display, the T48U offers a modern, intuitive interface with backlight that makes handling calls, contacts and features comfortable and efficient. Under the hood, the T48U supports up to 16 SIP accounts, dual-Gigabit Ethernet ports and Power over Ethernet (PoE) for fast connectivity and clean installations. Its dual USB ports give you the freedom to connect wireless headsets, Wi-Fi dongles, Bluetooth adapters or use USB flash drives for call recording. Audio performance is exceptional thanks to Yealink’s Optima HD Voice, Acoustic Shield and Smart Noise Filtering, delivering clear voice quality whether using the handset, headset or speakerphone. The device supports a variety of codecs including Opus for superior wideband audio. For deployment and scalability, the SIP-T48U supports optional Wi-Fi via WF40/WF50 dongles and Bluetooth via BT40/BT41 dongles, and it’s compatible with the EXP43 expansion module for up to 180 programmable keys, making it ideal for receptionists, administrators or busy professionals. Installation is fast: the phone features a sturdy stand with two adjustable angles, wall-mount capability and simplified provisioning tools that support automatic deployment for large offices. With enterprise-grade security including TLS 1.3 and SRTP, the T48U ensures your voice communications are protected. In short, the Yealink SIP-T48U blends premium features, expansive scalability and professional design into a desk phone built for modern business environments. Whether you’re managing high call volumes, multiple lines or demanding connectivity needs, this phone gives you the flexibility and audio clarity you need.  Technical Specifications FOR Yealink SIP-T48U Feature Details Model Yealink SIP-T48U Display 7″ color touchscreen (800 × 480), backlit SIP Accounts / Lines Up to 16 SIP accounts Connectivity Dual-Gigabit Ethernet ports, PoE support USB Ports 2 × USB 2.0 ports for headsets, Wi-Fi/Bluetooth dongles, call recording Audio Technologies Optima HD Voice, Acoustic Shield, Smart Noise Filtering Wireless Expansion Wi-Fi via WF40/WF50; Bluetooth via BT40/BT41 Expansion Modules Supports up to 3 × EXP43 modules (up to 180 keys) Mount & Stand Desk stand with 2 adjustable angles; wall-mountable Security TLS 1.3, SRTP, HTTPS, AES encryption, openVPN support Dimensions (W×D×H×T) 266 × 226 × 185 × 54 mm (≈ 26.6 × 22.6 × 18.5 cm) Weight Approximately 2.3 kg (unit only) — 5.1 lb approx. Material & Finish ABS plastic body with matte finish