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Product Description
The Yealink SIP-T48U Advanced SIP Phone for Professionals combines an intuitive interface with cutting-edge audio and connectivity features, making it ideal for executives and busy professionals. Its 7” touchscreen simplifies navigation through functions and call handling. Dual USB ports provide options for Bluetooth, Wi-Fi, call recording, and headset connection.
Equipped with Optima HD Voice and Yealink Acoustic Shield Technology, the T48U ensures every conversation is crystal clear—even in noisy office settings. With dual Gigabit Ethernet ports, PoE support, 29 DSS keys, and expansion module compatibility, it is built for scale, speed, and simplicity. It also supports secure provisioning, making IT deployment fast and efficient.
Specifications
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7” 800x480 color touchscreen display
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Yealink Optima HD Voice & Acoustic Shield Technology
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Opus codec support for crystal-clear communication
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Dual USB 2.0 ports for Wi-Fi, Bluetooth, headset, and call recording
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Dual-port Gigabit Ethernet with PoE support
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Up to 16 SIP accounts
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29 programmable DSS keys
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Support for EXP43 expansion module (up to 3 modules)
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Hearing aid-compatible handset
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Secure boot, TLS 1.3, SRTP encryption
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Zero-touch provisioning (Yealink RPS), TR-069 support
Frequently Asked Questions
Yes, it supports both via optional USB dongles—Wi-Fi (WF40/WF50) and Bluetooth (BT40/BT41).
It supports up to 16 SIP accounts, making it suitable for multi-line users and executives.
Yes, the handset is hearing aid compatible and equipped with Acoustic Shield for noise suppression.
Yes, it supports up to 3 EXP43 expansion modules for added DSS keys, ideal for receptionists and assistants.
Absolutely. It features TLS 1.3, SRTP encryption, and secure boot, along with dual firmware images for safe updates.
