Cortelco Medallion single line corded telephoneCaller ID, call waiting caller ID100# Caller ID memory (E2PROM design)Electronic 3-line LCD LCD contrast adjustLCD super twist (rotates forward)Trilingual menuIcons: new call, repeat call, forward call, toll call, blocked call, unknown call, and message waitingDisplays caller name, phone number, and time/dateReal time clock Call timerMessage waiting light works off Sutter, FSK, 90 Volt, and24 VoltMute with LEDDTMF dialingElectronic hold with extension releaseOn hook predialDirectory name match10 Direct dial memories (up to 24 digits)Programmable flashLast 10# redial 5 Selectable ringer cadences8-Step ringer volume control4-Step receiver volume control-Data portTone/pulse switchableHeadset jack6 Programmable area codesSpeakerphoneWall mountableCharcoal grayITT3200CH