1.5 Making Call Features72 Feature Guide1.5.3 Intercom CallDescriptionAn extension user can call another extension user.Conditions• Extension Number/Name AssignmentExtension numbers ( Extension Number [003]) and names ( Extension Name [004])are assigned to all extensions. The assigned number and name are shown on display PTsduring intercom calls.• DSS ButtonIt is possible to access another extension with one-touch by pressing the correspondingDirect Station Selection (DSS) button. A flexible button can be customised as a DSSbutton.• Call Directory—Extension DiallingDisplay PT users can make a call by selecting stored names on the display.• Alternate Receiving—Ring/VoiceA PT user can select to receive intercom calls by ring tone or by voice, through personalprogramming (Alternate Receiving—Ring/Voice). If a user selects voice-calling, the callingparty talks to the user immediately after a confirmation tone. Denying voice-calling canalso be selected.• Alternate Calling—Ring/VoiceA caller can change the called party’s preset call receiving method (ring tone or voice). Bydoing so, ring-calling is switched to voice-calling, or vice versa, at the called party. Thecalled party may deny voice-calling.• Tone after DiallingAfter dialling an extension number, a user will hear one of the following:Feature Guide References1.19.2 Flexible ButtonsUser Manual ReferencesUser Manual1.2.1 Basic Calling1.2.6 Alternating the Calling Method (Alternate Calling—Ring/Voice)1.11.2 Using the Directories3.1.2 Settings on the Programming ModeType DescriptionRingback Tone Indicates the called party is being called.Confirmation Tone Indicates the called party has set voice-calling.Busy Tone Indicates the called party is busy.DND Tone Indicates the called party has set DND.