Yealink SIP-T43U IP Phone specs

User Interface Features
• 3.7″ screen with backlight
Audio Features
• Optima HD voice with Acoustic Shield and Smart Noise Filtering
Basic Features
• Up to 12 SIP accounts
• PoE support
• Stand with two adjustable angles, wall mountable
Advanced Features
• Wi-Fi via WF40/WF50, Bluetooth via BT41
• Support expansion modules
• Support USB recording
Connectivity
• Dual USB ports, dual-port Gigabit Ethernet
• Headset, EHS support