Twenty Simultaneous Calls，IP54，HD Audio ，TLS&SRTP Security Encryption，Backup System，Centralized Deployment，Quick Charge，Vibration Alarm，OTA Upgrade，Long Standby Time

Outstanding User Experience• HD Audio• Wireless Transmission• High Expandability

• High-performance SIP cordless phone system • 1.8" 128 x 160 TFT color screen with intuitive user interface • Ruggedized DECT handset with IP54 protection rating • Up to 20 simultaneous calls • Up to 10 DECT cordless handsets • Up to 10 SIP accounts • Noise Reduction System • FNR (Flexible Noise Reduction)/Noise Cancellation • Up to 40-hour talking time • Up to 575-hour standby time • Quick charging: 10-minute charging time for 2-hour talking time • TLS and SRTP security encryption • Vibration alarm guarantees you do not miss any call, even in noisy situations • Wall mountable charger • Maximum DECT radio coverage: 50 meters indoors, 300 meters outdoors • Energy-saving ECO features • DECT technology: Yealink DECT technology focuses on high-quality Audio VoIP (wideband) and bit-rate data applications. However, we are incompatible with third-party DECT devices (base station, handset, etc.).

• 7” 800 x 480 capacitive adjustable touch screen • Adjustable LCD screen • Dual firmware images • T53/T53W/T54W/T57W firmware unified • Built-in Bluetooth 4.2 • Built-in dual band 2.4G/5G Wi-Fi (802.11a/b/g/n) • USB 2.0 port for USB recording, wired/wireless USB headsets and EXP50 • Up to 16 VoIP accounts • Dual-port Gigabit Ethernet • PoE support • HAC Handset • Paperless label design • Wall mountable

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Linux Based

7" 800 x 480 Pixels Color Display

Adjustable

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29 Touch Keys

Yealink EXP50

1 Adjustable Angle

HD Handset, HD Speaker

Full-duplex

G.722, Opus

G.711(A/µ), G.729, G729A, G.726, G.723.1, iLBC

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1

Dual-port Gigabit Ethernet

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USB/Bluetooth/RJ9

Built-in Bluetooth 4.2

Built-in（2.4G and 5G）

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16

10-way Conferencing