I 3 Features3-90 FeaturesIntercom CallingDescription Allows the extension user to call another extension user within thesystem.Conditions • Extension numbers are assigned to all extensions by SystemProgramming. An extension number is programmed to be two, three, orfour digits.• Names can be given to extension numbers by System Programming.An extension number and a name, if programmed, is shown on thedisplay proprietary telephone during an intercom call.• DSS (Direct Station Selection) buttons permit one-touch access to anextension and provide Busy Lamp Field.• KX-T7431, KX-T7433, KX-T7436 and KX-T7235 users can make anextension call with an extension dialing directory on the display.• After dialing an extension number, the user will hear one of thefollowing:Ringback tone: indicates the other extension is being called.Confirmation tone: indicates the user can perform VoiceCalling.Busy tone: indicates the other extension is busy.Do Not Disturb (DND) tone: indicates the other extension hasDND assigned.Programming ReferencesSection 4, System Programming[003] Extension Number Set[004] Extension Name Set[005] Flexible CO Button Assignment[100] Flexible Numbering, 1st through 16th hundred extension blocksStation Programming.......................................................User ManualFlexible Button Assignment – Direct Station Selection (DSS) ButtonFeature References Section 3, FeaturesBusy Lamp Field Button, Direct Station Selection(DSS)Operation References DPT Features, Standard Telephone Features—User Manual Intercom Calling
