- 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.