Konftel 100 conference phoneOptimal conference phone for small to mid-size conference roomsPractical unit, simple to connect and useConnects to an analog lineKeypadConference button for speed dialingRange of up to 300 square feetStylish, uncluttered keypadVolume control, mute key and flash keySpecial conference button for storing most frequently used numberCrystal clear sound provided by OmniSound technologyFull duplex2 Year manufacturer's warrantyKO840101035