1ABOUT THIS GUIDEThis guide describes how to set up and use 3Com® VCX™ IP phones and consoles.This guide is for users of the following VCX hardware and software: 3500 IP Phone 3500B IP Phone 3501 IP Phone 3502 IP Phone 3503 IP Phone 3105 Attendant ConsoleIf release notes are shipped with your product and the information there differs fromthe information in this guide, follow the instructions in the release notes.CAUTION: The 3Com telephone system operates over the Ethernet local areanetwork (LAN), not through a traditional telephone connection. Your telephone isconnected to the 3Com system through an RJ45 Ethernet connector instead ofthrough an RJ11 telephone connection. Your telephone will not work unless it isconnected correctly.For information about installing your telephone, see the documents that came in the boxwith your telephone. The model number is on the underside of the telephone. Contactyour administrator if you have questions about your telephone connection.For information about the voice mail system and features, see the 3Com VCX 9.0 IPMessaging System User Manual.ConventionsTable 1 and Table 2 list conventions that are used throughout this guide.Table 1 IconsIcon Type DescriptionInformationnoteInformation about important features orinstructions.CautionAlerts you to potential loss of data or potentialdamage to an application, system, device, ornetwork.Warning Alerts you to potential personal injury.Table 2 Text conventionsConvention DescriptionScreen displays This typeface represents information as it appears on the screen.CommandsThe word “command” means that you must enter the commandexactly as shown and then press Return or Enter. Commandsappear in bold. For example: