The Yealink SIP-T53 IP phone is an entry level IP phone that has 3.7-inch graphical LCD screen. It supports up to 12 SIP accounts.
 
Key Features:
3.7" 360x160-pixel graphical LCD with backlight 
Adjustable LCD screen
Dual firmware images 
T53/T53W/T54W/T57W firmware unified 
Bluetooth via BT40
Wi-Fi via WF40/WF50 
USB 2.0 port for USB recording, wired/wireless USB headsets and EXP50
Up to 12 VoIP accounts
Dual-port Gigabit Ethernet
PoE support
HAC Handset
Paperless label design
Wall mountable
 
Datasheet