1. Virtual Programmable Keypad: Dynamically displays 4 pages, each with configurable settings for 28 DSS keys, and supports 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 transfer (RFC2833)/SIP INFO

4, 20 SIP lines

5. Quick dialing

6. Tripartite Meeting

7. Built-in Bluetooth 4.2 module: Connects with Bluetooth earphones/links 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, capable of binding cameras, video access control, accepting video calls, viewing access control video on the main screen of the phone, and enabling remote door opening and interconnectivity.

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