44 CHAPTER 5: FEATURE CODESFeature CodeOverviewSome common telephone features are mapped to buttons (Hold, forexample). However, the number of buttons varies on each model of VCXphone. Furthermore, the number of VCX features exceeds the number ofbuttons available on any phone. Feature codes allow the VCX telephonefeature set to be available to all VCX phones, regardless of the number ofbuttons on the phone.Each feature is assigned a unique three-digit feature code. You caninvoke a feature by entering the numeric code assigned to a particularfeature. For example, you can use a feature code to enable callforwarding and specify a destination number.For all VCX Basic and Business phones, you can enter any feature code bypressing the Feature button. This action generates a Feature: prompt inthe telephone Display Panel. The next step is to enter the appropriatefeature code. If additional information is required, the Display Panelprompts you.However, you can invoke some feature codes without pressing theFeature button by entering special feature code syntax with thetelephone keypad. See Using Feature Codes for information on bothfeature code entry methods.The location of the Feature button depends on your telephone. See theappropriate chapter in this guide for the location of buttons and controlsfor your phone.Using FeatureCodesYou can invoke a feature by pressing the Feature button and using thetelephone keypad to enter the feature code along with any additionalinformation (for example, an extension). For example, you can show a listof local or global users in the Display Panel by pressing the Featurebutton followed by the User Directory feature code (461). In this guide,this method is noted by the following syntax:Feature + 461Some feature codes allow you enter the code number without using theFeature button. For these feature codes, you prepend the code numberwith an asterisk (*). For example, you can enable Do Not Disturb usingeither of the following methods: