-Compact wall mount design-24 Talkback Stations-Expandable to 72 Talkback Station-SIP accessible (with additional equipment)-Dual Auxiliary Audio Inputs-Windows based programming software-Windows based administrative software-Up to 1 Hour of Custom WAV file storage-3 Programable Switch Inputs-4 Programmable Relays-24 Flexible / Non-Blocking Audio Groups-2 Flexible / Non-Blocking Music Groups-8 Bell Schedules-NTP time updates-All speaker and I/O terminations may be made within the V-ACS enclosure-Integrated 59th minute and data-based clock correction