- Large graphic backlit display (242 x 55 pixels)
- 4 soft keys
- 24 (12x2) self-labelling programmable keys
- 13 fixed feature keys
- 2.5 mm headset jack for wired headsets
- 3.5 mm headset jack with Electronic Hook Switch (EHS) for wireless headsets
- Full duplex speakerphone
- HD Audio with support for G.722 wideband codec
- Dual 10/100/1000 Gigabit Ethernet ports
- Powered via Power over Eithernet (PoE) or optional PoE injector (sold separately; see drop down option above)
- Environmentally friendly with Eco-mode Power-saving Feature
- Broad Standards Compliance: VLAN, QoS (DiffServ), DHCP Client, VoIP Security, FTP, PTAP, MGCP, RTP
- Supports the KX-NT505 DSS Console