The ICS-1008E has 14 talk/listen buttons with 2 clear buttons. Features: • back-lit, bi-color LED buttons illuminate at different levels to indicate conditions • individually programmable buttons can be designated as talk, listen, or talk with listen • individually adjustable listen levels • momentary/latching buttons can be individually programed as momentary only • answer-back button • call-waiting tallies • controls for sidetone, microphone gains, page override, and speaker mute • programming via a configuration computer or the ICS-2003E Master Intercom Panel.