Technical details:

• Handset type: Wired handset
• Speaker: Yes
• Device lock: Yes
• Backlit keypad: Yes
• Screen type: Liquid crystal display
• Resolution: 800 x 480 pixels
• Connection parameters:
  • Call waiting: Yes
  • Caller name and ID: Yes
  • Speed dialing: Yes
  • Call transfer capability: Yes
  • Number redialing: Yes
• Call tone type: Polyphonic
• Voice codecs: G.711a, G.722, G.729A
• Bluetooth computer network: No
• Supported network protocols: SIP, SPD, UDP, GARP, DNS, TFTP, HTTPS, VLAN, RTP, RTCP, PPDP
• Communication standards: IEEE 802.1Q, IEEE 802.1x, IEEE 802.3ab, IEEE 802.3af, IEEE 802.3at, IEEE 802.3i, IEEE 802.3u
• WiFi: No
• Wired LAN: Yes
• Quality of Service (QoS): Yes
• DHCP client: Yes
• Security: EAP-FAST, EAP-TLS, HTTPS, SRTP, SSH, SSL/TLS
• Number of LAN Ethernet ports (RJ-45): 2
• Number of RJ-9 ports: 1
• Headphone outputs: 1
• PoE support: Yes
• Dimensions:
  • Product width: 257.3 mm
  • Device depth: 40 mm
  • Device height: 229.1 mm
  • Product weight: 1170 g
• Wall mounting/ceiling display: Yes
• Microphone mute: Yes
• Permissible relative humidity: 10 - 95%
• Temperature range (operation): 0 - 40 °C
• Temperature range (storage): -10 - 60 °C
• IP Phone: Yes
• Other protocols: VLAN, TFTP, HTTPS, RTCP, DNS, UDP, RTP, RTCP
• Ethernet: Yes