3Com NBX V3001R Redundant System (3C10602A), a robust call processor that provides redundant power supplies and the option for redundant disk drives. The solution manages all incoming and outgoing call traffic, NBX Voice Mail, embedded applications, external gateway connectivity, and telephony adjunct connectors for MoH (3.5mm phone plug) and Paging (RJ11) in one easy-to-manage platform. Base package includes support for 250 NBX devices (expandable to 1,500 devices with additional device licenses), support for 11 languages, a site license for NBX IP On-the-Fly, and four (4) ports/400 hours of NBX Voice Mail. Interfaces: two (2) 10/100 uplink port, one (1) system hard disk, two (2) load sharing, autosensing 110/220 V, 50/60 Hz AC power supplies and two (2) eight-foot power cord (country type must be specified on the order). Also includes one port of the following applications: ConneXtions, pcXset, NBX Media Driver, Virtual Tie Line. No additional memory is required to support maximum devices or SIP. All device licenses must be ordered separately, none are included. Charcoal Gray color.