The Yealink SIP‑T48U Gigabit IP Phone is a professional-grade SIP telephone designed for executive offices and demanding business environments that demand exceptional reliability, superior audio quality, and seamless usability. Built to support medium to large enterprises, this device ensures high-definition voice communication over IP networks, combining a modern touchscreen interface with advanced connectivity.
Key Features:
7″ 800×480 backlit color touchscreen for intuitive, label-free navigation
Yealink Optima HD Voice with Opus codec, Acoustic Shield and smart noise filtering for crystal-clear audio
Dual USB 2.0 ports supporting Bluetooth, Wi‑Fi, USB headsets, and call recording
Dual-port Gigabit Ethernet with PoE support, VLAN/QoS, and network redundancy
Support for up to 16 SIP accounts and 29 programmable DSS keys
Expandable with up to 3 color-screen EXP43 modules (up to 180 additional keys)
Comprehensive call management: hold, mute, call waiting, forwarding, transfer, 3-way conferencing
BLF/BLA, hot-desking, paging, intercom, visual voicemail, XML browser
Robust security and deployment: SIP v1/v2 over TLS/SSL, SRTP, dual firmware images, Zero-Touch Provisioning via RPS/Boot, TR‑069, DHCP, HTTP(S)/FTP/TFTP configuration
Hearing-aid compatible handset, full-duplex speakerphone with advanced echo/noise cancellation (AEC, VAD, CNG, PLC, AJB, AGC)
Flexible design: adjustable dual-angle stand, wall-mountable, paperless label interface
Compatible with optional WF40/WF50 Wi‑Fi, BT40/BT41/BT52 Bluetooth dongles, EHS40 adapter, USB headsets
Eco-friendly: low power consumption (2.3,4.7 W PoE, 1.8,3.8 W PSU); operates from −10 °C to +50 °C
Designed to simplify large-scale deployment and enhance business communication, the SIP‑T48U supports centralized provisioning and advanced security while offering rich audio and connectivity options. Ideal for executive desks, contact centers, and hybrid office environments, it delivers enterprise-grade performance and outstanding value.





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