Works with Broadband Internet connections. You get FREE Conference calling up to 24 people, Free voice mail, and NO monthly fee. Functions A. Last number redial B. Handset and Speaker Volume Control C. Review Incoming and Outgoing Call Logs D. Information E. PhoneBook F. Hold G. Back Space H. Hands-free Speakerphone I. Reomote Software Upgrades Features A. Program memory―1024KB Flash memory B. Ethernet interface― two RJ45 connector compatible with IEEE 802.3 10 Base-T C. Keypad―besides the standard keys 0-9,*,#, there are another 12 function keys for operation and setting of Broadband Phone D. Status indicator―LED to indicate working status and LCD light Hand free function―full duplex speakerphone, dial-tone, speaker and loudspeaker, volume can be digitally adjusted independently E. AC/DC adapter― input 100~120V (USA, Japan etc.) or 220~240V (China, Europe etc.) or 100~240V,47-63Hz Log on GateKeeper F. Automatically find GateKeeper G. Support DHCP: Automatically obtain local IP, subnet mask, router IP H. Support PPPoE I. Voice active detection J. Comfortable noise generation K. 16ms echo cancellation L. Dynamic buffer management―minimize effect to voice quality caused by audio delay jitter Dimensions 180 x 160 x 92 mm (L x W x H) Recommend working environment A. Delay: Less than 400 ms B. Jitter: Less than 100 ms C. Packet lost percentage: Less than 10% D. Bandwidth: Higher than 30 Kbps Currency: USD Unit Price: Quantity: Delivery: