Rolm 66208 RP624L Phone (Grey/Refurbished)Key Features: 11 lines, 24 feature buttons (Lines + 22 LEDs) Adjustable LCD display) Modular supports 2 bay options plus 1 Keyboard Expansion Option (KEO)) 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 ring tones) Call forwarding, transferring, call waiting, adjustable volume, muting, call park) Fully refurbished)