ENGENIUS DURAFON-PRO-BUR Durafon-Pro Base Repeater Multi-Line Functionality Supports up to 90 DuraFon PRO or DuraWalkie Handsets Works Behind any Analog Port (PBX, VoIP, PSTN, FXS or POTS) Expandable for Extended User Capacity Features: PBX : YesDimensions (LxWxH) : 13 x 3 x 8 Weight : 3 lb.
Country of Origin : Taiwan (provided by manufacturer, not verified) Type of Packaging : Retail Box Warranty : 1 year