21IP Softphone 2050 User GuideChapter 3Installing and setting up the IP Softphone 2050System requirementsTo use the Nortel IP Softphone 2050, you require:• Pentium-compatible CPU (200 MHz or higher)• 128 Mbytes RAM or higher for Microsoft Windows 2000• 256 Mbytes RAM or higher for Windows XP• 55 Mbytes or higher free hard drive space (all languages)• 800X600 or higher resolution monitor (16-bit color)• Universal Serial Bus (USB) port (version 1.1 or 2.0)• Nortel Enhanced USB Adapter (desktop) or Nortel Mobile USB Adapter (mobile)Supported operating systemsTo use the IP Softphone 2050, you must have one of the following operating systems:• Microsoft Windows XP• Microsoft Windows XP Professional Service Pack 1• Microsoft Windows XP Professional Service Pack 2• Microsoft Windows 2000 Professional• Microsoft Windows 2000 Professional Service Pack 1• Microsoft Windows 2000 Professional Service Pack 2• Microsoft Windows 2000 Professional Service Pack 3• Microsoft Windows 2000 Professional Service Pack 4Nortel USB Audio KitThe USB Audio Kit lets you hear and speak with your callers. To ensure proper IP Softphone 2050functionality, use only the following Nortel-supported (or compatible) USB audio kits:• Nortel Enhanced USB Adapter (desktop)• Nortel Mobile USB Adapter (mobile)• Algo Analog Terminal Adapter (compatible)
