Small Business PBX (Private Branch Exchange) Phone Systems | Xorcom - IP PBX (Private Branch Exchange) Developer & Manufacturer, Multi-Tenant PBX, Hotel PBX, Virtual PBX, Call Center PBX / PABX
UCM6200 Series IP PBX | Grandstream Networks
Session Border Controller + Router with 2/4 BRI Ports + Up to 16 G.722 or up to 16 T.38 or G.711 calls simultaneously | G.SHDSL EFM/ATM and VDSL-ADSL | SmartNode 5530 from Patton