The Yealink SIP-T46U is an IP phone that supports up to 16 SIP accounts. It has dual ports that allows you to connect to WiFi via WF40/WF50 and it allows you to connect to bluetooth via 
BT41.
 
Key Features:
4.3" color screen with backlight
Optima HD voice with Accoustic Shield and Smart Noise Filtering
Up to 16 SIP accounts
PoE support
Stand with two adjustable angles, wall mountable
WiFi via WF40/WF50, Bluetooth via BT41
Support expansion modules
Support USB recording
Dual USB ports, dual-port Gigabit Ethernet
Supports EHS headset.
 
Datasheet