The AT&T 984 4-line small business system with caller ID/call waiting capabilities is a reliable phone that carries excellent features. The 984 operates 4-lines and can support up to 16 intercom stations. Intercom and conference calling functions facilitate communication among employees, clients, and customers. Other features include 200 name/number phone and caller ID locations, 32 number speed dial, ports for fax and modem, new message indicator, and a memory loss protection component that saves settings in case of power failure. 984 Features: Corded Phone 4-Line Operation Caller ID / Call Waiting Expandable Up To 16 Stations 20 Minute Digital Answering System Speakerphone Backlit LCD Display Call Privacy On / Off 3-Way Conferencing Shared Directory 32 Station Speed Dial Line Selection Group / Prime / Auto Selectable Ringtones Speaker / Handset / Headset Volume Control Intercom Call Transfer Page Auto Line Selection 2 Data Ports Allows the Connection of Fax Machines or Modems Auto Redial Programmable Pause Do Not Disturb Headset Jack Static Memory Toll Restriction Station Status Indication Off-Hook Voice Announce