Includes Mediant 800B chassis, 2 Active/Standby pairs of GE Ethernet LAN ports, 4 FXS, 4 FXO and 4 BRI voice interfaces and a single AC power supply. Supports SBA for Microsoft Skype for Business (up to 250 SfB users). Includes Windows 2012 R2 OS license. SBC capabilities can be enabled using orderable software options. Preloaded with AudioCodes? Communications-Enabled Business Processes (CEBP) applications. License for CEBP applications can be ordered separately. Note: AudioCodes will accept orders for this part number, but the item will be shipped only one month after Microsoft's official SfB SBA release.