• 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.