Yealink Device Comparison of IP Phones Appearance between SIP-T54W and SIP-T57W and W90

Yealink Device Comparison

COMPARE OPTIONS

Key Features and Benefits

Introduction

User Friendly• Wireless Transmission• High Expandability• Efficient Installation and Provisioning

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

No Perception Upgrade·Sync Level1 Base Backup·Headsets Registration · Seamless Stability·Easy Deployment··Wide Coverage··Full Scenarios··Multiple Phone Books

Key Features

• 4.3" 480 x 272-pixel color display with backlight • 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

• 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

• Key Features and Benefits • Support Air and LAN synchronization • Seamless handover and roaming • Up to 10 DM • Up to 600 base stations • Up to 2500 handsets • Up to 2500 SIP accounts • Up to 2500 parallel calls • Support XML/LDAP/Remote Phonebook • Support XSI Directory/XSI Call Log • External antenna, DECT radio coverage up to 50 m indoors and 300 m outdoors • Support IPv6 • Support PoE • Support SRTP/SIPS/TLS, LDAP(s) and HTTPS • Compatible with W57R/W59R/W56H/W53H/W73H/W78H, CP930W, CP935W and DD Phone • DECT Technology: Yealink DECT technology focuses on high-quality Audio VoIP (wideband) and low bit-rate data applications. However, we are incompatible with third-party DECT devices (base station, handset, etc.).