6 GETTING S TARTED WITH PCX SETThe pcXset software can accept calls only when both the client computerand the pcXset software are running. However, voice mail messages arereceived and stored on the NBX system even if the pcXset computer is notrunning.The pcXset Help contains instructions for using the application. Fordetailed instructions on using the pcXset software, select Contents fromthe Help menu.The NBX Business Telephone Guide has similar instructions, except for theobvious differences between using the controls of a physical telephoneand the controls of a software program.ComputerRequirementsThe computer on which you install the pcXset software must meet thefollowing hardware and software requirements:■ Processor — Minimum Pentium 333MHz. Recommended 500 MHZor higher.■ Operating system — Windows 98, Windows ME, Windows 2000(Server and Professional versions) and Windows XP (Home andProfessional). Recommended Operating System is Windows 2000 orWindows XP.■ RAM — 32 MB (Windows 98), 64 MB (Windows 2000)■ Video display — 640 x 480 pixels with 16 colors minimum. 3Comrecommends 800 x 600 pixels with 256 colors or greater.■ Network — An Ethernet network adapter.■ Audio — A USB handset or headset with microphone.■ Disk Space — 40 MB of free disk space■ USB headset with microphone■ Please avoid the following:■ PC sound card systems.■ Poor quality headset.■ Using speakers and a separate microphone. See “DTMF Tones EchoBack to the Analog Line Card” for more information.