1. Virtual Programmable Buttons: Dynamically displays 4 pages, with each page capable of setting the status of 28 DSS keys, supporting custom configuration of 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 dialing

6. Tripartite Meeting

7. Built-in Bluetooth 4.2 module: Connect with Bluetooth earphones/Pair with mobile phone 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, capable of binding cameras, video access control, receiving video calls, viewing access control video through the phone's main screen, enabling remote unlocking and interconnectivity.

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