About the Nortel IP Phone 200418Press the Headset key to answer a callusing the headset or to switch a call from thehandset or handsfree to the headset.Press the Speaker key to activatehandsfree. The speaker LED indicator lightsto indicate when handsfree is active.Press the Outbox/Shift key to togglebetween two feature key pages and toaccess an additional six lines/features andan additional 24 lines on the Nortel IP PhoneKEM.Press the Directory key to access directoryservices.Press the Mute key to listen to the receivingparty without transmitting. Press the Mutekey again to return to two-way conversation.The Mute key applies to handsfree, handset,and headset microphones. The Mute LEDindicator flashes when the Mute option is inuse.Press the Quit key to end an activeapplication. Pressing the Quit key does notaffect the status of calls currently on yourtelephone.(Shift)(Directory)(Mute)(Quit)