1 Model 480i SIP User GuideIntroduction IntroductionThis 480i IP telephone providescommunications over an IPNetwork using the SIP IP telephonyprotocol. The 480i has all thefeatures of a regular business setand more, allowing you to makeand receive calls, transfer,conference and more.Phone Featuresï A 3.5" x 2.25" backlit display.ï 6 multi-functional softkeys.ï 4 line/call appearance buttonswith corresponding lights.ï Enhanced busy lamp fields.ï Up to 5 additional line/callappearances as softkeys.ï Full-duplex speakerphone forhandsfree.ï Built-in-two-port, 10/100 Ether-net switch which lets you share aconnection with your computer.ï Inline power support, whicheliminates power adapters.General Requirementsï A SIP based IP PBX system ornetwork installed and runningwith a number created for thenew 480i phone.ï Access to a Trivial File TransferProtocol (TFTP) server.ï 802.3 Ethernet/Fast EthernetLAN.ï Category 5/5e straight throughcabling.ï Power over Ethernet (PoE)power supply (optionalaccessory ñ necessary only ifno inline power is providedon the network).About this GuideThis guide explains how to usethe basic features of your new 480iphone. Not all features listed areavailable by default. Contact yoursystem or network administrator tofind out which features and servicesare available to you on your system.Your system administrator has theability to customize some featureson this phone. For information onmore advanced settings andconfigurations, administratorsshould refer to the Aastra SIP 480i IPPhone Administration Guide.Documentationï Aastra 480i Installation Guideñ installation and set-upinstructions, general features andfunctions, and basic optionslist customization. Included withthe telephone.ï Aastra SIP 480i IP Phone UserGuide ñ explains the mostcommonly used features andfunctions for an end user.ï Aastra SIP 480i IP PhoneAdministration Guide ñexplains how to set the 480iphone up on the network andcontains advanced configurationinstructions for the 480i. Thisguide has instructions that are ata technical level suitable to asystem or network administrator.Installation and Set-upIf your system administrator hasnot already set-up your 480i phone,please refer to the Aastra 480iInstallation Guide for basicinstallation and physical set-up ofthe 480i. For more advancedadministration and configurationinformation, system and networkadministrators should referto the Aastra SIP 480i IP PhoneAdministration Guide.