DISTINCTIVE RINGINGSAMSUNG DCS provides distinctive ring patterns to your phone:• Outside calls have a single ring tone repeated;• Intercom calls have a double ring tone repeated;• Door phone calls and alarm/appointment reminders have a shorttriple ring tone rapidly repeated.SYSTEM TONESThe system provides several tones to assist you. Some of these tones arealready familiar to you.Intercom Dial Tone – Asteady tone that indecates you can begin dialing.Ringback Tone – Indicates the station you dialed os ringing.Busy Tone – Indicates the station you dialed is busy.DND/No More Calls Tone – Fast busy tone indicates the station youdialed is in the Do Not Disturb mode or cannot receive any more calls.Transfer/Conference tone – Indicates your call is being held and youcan dial another party.3