The Yealink SIP-T57W IP phone has an adjustable 7-inch multi-point touch screen. It has both Bluetooth and WiFi built-in. The phone supports up to 16 SIP accounts.
 
Key Features:
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
Wall mountable
 
Datasheet