The Rolmphone RP624SL adds high functionality for your busy users.
Features Include:11 Lines, 24 Feature Buttons Total, Including Lines + 22 LEDs
Two-Way Speakerphone, Hands-Free Control, Adjustable LCD Display
Modular- Supports 2 Bay Options Plus 1 Keyboard Expansion Option
Programmable Dialing, Redialing, Speed Dialing, One-Way Speaker for On-Hook and Intercom Dialing
Call Monitoring, Conference Calling up to 8 Parties-2 External, Various Ringing Tones
Call Forwarding, Transferring, Call-Waiting, Adjustable Volume, Muting, More