Model 9480i CT IP Phone User Guide 1About this GuideAbout this GuideThis guide explains how to use the basic features of your new 9480i CT phone. Not all featureslisted are available by default. Contact your system or network administrator to find out whichfeatures and services are available to you on your system.Your System Administrator has the ability to customize some features on this phone. Forinformation on more advanced settings and configurations, administrators should refer to theAastra SIP IP Phone Administrator Guide.Documentation• Aastra 9480i CT SIP IP Phone Installation Guide – Installation and set-up instructions,general features and functions, and basic options list customization. This Installation Guide isincluded with the telephone.• Aastra 9480i CT SIP IP Phone User Guide – Describes the most commonly used features andfunctions for an end user.• Aastra SIP IP Phone Administrator Guide – Describes how to set the 9480i CT phone up onthe network and contains advanced configuration instructions for the 9480i CT. This guide hasinstructions that are at a user level.