LCD-display: Monochrome Web-based interface: On Weight (g): 870 Built-in phone book: 500 contacts Height (mm): 170 Comfort Noise Generation: None Depth (mm): 160 Speakerphone: Yes Interfaces: WAN Number of lines: 2 The number of supported handsets: 1 Conference Call: Yes Dialing standard E.164: No Caller: Yes Support DECT: No Supporting GAP: No Support H.323: No Support MGCP: No Support NAT: Yes Supports PoE: No Support for SCCP: No Support for SIP: connect to multiple servers Support for Skype: No Support for Wi-Fi: No Supports video conferencing: No Support for additional modules: None Headset connection: Yes Voice Activity Detection: No Compatibility: Windows 2000 / XP / Vista Type: IP-phone