4-Line Expandable Corded System | System Expandable up to 16 Base Stations | Each Base Station Can Expand to Include One DECT 6.0 Accessory Cordless Handset - Handset Sold Separately | 3 Party Call Conferencing/Two Way Conference Recording/Intercom | Compatible with the following: GE 29487 and GE 29488 Series, RCA 25403 and 25404 Series, RCA 25413, 25414, and 25415 Series, RCA 25423 and 25425 Series.

RCA ViSys 25424RE1 Corded 4-Line Speakerphone Expandable System:Corded Phone4-Line OperationHearing Aid CompatibleExpandable Up To 16 StationsBacklit LCD Display (4-Line)SpeakerphoneLED Status Indicator99 Name / Number Caller ID Memory94 Name / Number Phone Directory3-Way Conference Calling16 Station Speed DialBattery Back Up in Case of Power Outage (4 AAA Batteries Not Included)Adjustable Ringer / Volume ControlIntercomCall TransferData Port Allows the Connection of Fax Machines or ModemsHold / Pause / FlashPrivacy ModeLine In Use IndicatorDo Not Disturb ModeCall Timer2.5mm Headset Jack16 Programmable One-Touch Speed DialsTri-lingual LCD Display (English / Spanish / French)