26DO NOT DISTURBUse this feature when you want to block calls to your keyset.• While on-hook, press the DND key or dial 401. The DND keyflashed to remind you of this mode.To cancel DND:• Press the DND key again or dial 400. The DND light turns off.You can make calls while in the DND mode.NOTES: 1. If you place your keyset in DND mode and you do nothave a DND key, your ANS/RLS key will flash to indicateDND status.2. The system can be programmed so that direct in dialcalls will override DND (See you Service Company)ONE TIME DNDIf you are on a call and you do not wish to be interrupted while on thatcall, you can press the DND key and place your station in DND.When you end the call the DND will be automatically cancelled.MUTEYou can mute the handset transmitter or the microphone during anyconversation:• Press MUTE key. It will light red.• To resume speaking, press the MUTE button again. The lightturns off.BACKGROUND MUSICWhen a music source is supplied, you may listen to music throughthe speaker in your keyset:• While on-hook, press the HOLD button to hear music.• Press the HOLD button again to turn music off.CONVENIENCE FEATURES