1. Virtual Programmable Keys: Dynamically displays 4 pages, each with the capability to set the status of 28 DSS keys; 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 relay (RFC2833)/SIP INFO
4, 20 SIP lines
5. Quick dial
6. Tri-party Meeting
7. Built-in Bluetooth 4.2 module: Pair with Bluetooth headphones/Pair with smartphone'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 bind cameras, provides video access control, accepts video calls, view access control videos on the main screen of the phone, and enables remote unlocking and interconnectivity.
11. Compatible with mainstream SIP-based IP PBX/SOFTWARE SWITCH/IMS platforms, such as Asterisk, Broadsoft, 3CX, Metaswitch, Elastix, Avaya, etc.

































