Making/Answering Calls15Adjusting the handset ringer volumePress {^} or {V} repeatedly to select thedesired volume while the handset isringing for an incoming call.Note:L You can also program the handsetringer volume beforehand (page 20).Temporary handset ringer offWhile the handset is ringing for a call,you can turn the ringer off temporarily bypressing L.Useful features duringa callHoldThis feature allows you to put an outsidecall on hold.1 Press 8 during an outside call.2 {V}/{^}: “Hold” i M3 To release hold, press {C}.L Another handset user can takethe call by pressing {C}.Note:L If a call is kept on hold for more than 9minutes, an alarm tone starts to soundand the ringer indicator flashesrapidly. After 1 additional minute onhold, the call is disconnected.L If another phone is connected to thesame line (page 9), you can also takethe call by lifting its handset.MuteWhile mute is turned on, you can hearthe other party, but the other partycannot hear you.1 Press 1 during conversation.L 1 flashes.2 To return to the conversation, press1 again.Recall/flash{ECO/R} allows you to use the specialfeatures of your host PBX such astransferring an extension call, oraccessing optional telephone services.Note:L To change the recall/flash time, seepage 21.Call shareYou can join an existing outside call.To join the conversation, press {C}when the other handset is on an outsidecall.Note:L To prevent other users from joiningyour conversations with outsidecallers, turn the privacy mode on(page 21).Key lockThe handset can be locked so that nocalls or settings can be made. Incomingcalls can be answered, but all otherfunctions are disabled while key lock ison.To turn key lock on, press 8 for about3 seconds.L & is displayed.L To turn key lock off, press & forabout 3 seconds.Note:L Calls to emergency numbers cannotbe made until key lock is turned off.