1. Virtual Programmable Buttons: Dynamically displays 4 pages, each page can be set to show the status of 28 DSS keys, supports custom configuration for 112 DSS keys.

2. Full-duplex hands-free calling, with Acoustic Echo Cancellation (AEC) support.

3. DTMF: In-band audio, out-of-band – DTMF relay (RFC2833)/SIP INFO

4, 20 SIP lines

5. Quick dial

6. Trilateral Meeting

7. Integrated Bluetooth 4.2 module: Connects with Bluetooth earphones/Connects to phone's Bluetooth.

8. Built-in Wi-Fi.

9. Gigabit Ethernet: Adaptive 10/100/1000Mbps network port, supports PoE power supply.

10. Supports H.264 video decoding, can be paired with cameras, offers video access control, accepts video calls, and allows you to view access control video on the phone's main screen, enabling remote door unlocking and interconnectivity.

11. Compatible with mainstream IP PBX/SOFT SWITCH/IMS platforms based on SIP, such as Asterisk, Broadsoft, 3CX, Metaswitch, Elastix, Avaya, etc.