Selectable Three Level Ringer Volume Selectable 6-Level Voice Volume 4 Optional Ring Types Touch Any Key Answer Hearing aid compatible. You'll get a base that plugs into an electrical outlet and a phone jack, plus a portable handset, and a charger stand for the handset. The charger stand can go almost anywhere, because it needs just electrical power, but no phone jack. Up to 36 handsets can be used with up to 4 base units.
Handsets can communicate with each other privately, independent of base and phone line.
Phone calls can be transferred from one handset to another. Each handset comes with one NiMH battery pack. You can order another if you want. One charger stand can charge a battery inside a phone, plus a separate battery. You can change batteries while a call is on hold.