The SIP-T48S is an IP Phone that has a large touch screen and it supports up to 16 SIP accounts. The phone is built with Gigabit Ethernet. 
 
Key Features:
7" 800 x 480-pixel color touch screen with backlight
Opus* codec support • USB 2.0
T4S Auto-P template unified 
T4S firmware unified
Up to 16 SIP accounts
Dual-port Gigabit Ethernet
PoE support 
Headset, EHS support 
Wi-Fi via WF40/WF50
Bluetooth via BT40/BT41
USB recording
Supports expansion modules 
Stand with two adjustable angles, wallmountable
 
Datasheet