Key Features: Multi-line digital phone supporting up to seven lines with a 4 x 24 display Interactive soft keys for quick access to numerous features Six fixed ACD feature keys w/LED Headset, Emergency, Make Busy, Not Ready, Supervisor, In-Calls Dual Headset jacks and Supervisor Observe key (talk/listen or listen only) Supports two snap-in cartridge accessories for Analog Terminal Adapter (ATA) and External Alerter & Recording Interface Handset optional |