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 21).Temporary handset ringer offWhile the handset is ringing for a call,you can turn the ringer off temporarily bypressing {OFF}.Useful features duringa callHoldThis feature allows you to put an outsidecall on hold.1 Proceed with the operation for yourmodel.■ KX-TG4311Press {HOLD} during an outsidecall.■ KX-TG4312Press {HOLD} 2 times during anoutside call.2 To release hold, press {C}.L Another handset user can takethe call by pressing {C}.(KX-TG4312)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 10), 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 {Mute} during an outside call.L {Mute} flashes.2 To return to the conversation, press{Mute} again.Note:L {Mute} is a soft key visible on thehandset display during a call.Flash{FLASH} allows you to use the specialfeatures of your host PBX such astransferring an extension call, oraccessing optional telephone services.Note:L To change the flash time, see page21.For call waiting or Call WaitingCaller ID service usersTo use call waiting, you must firstsubscribe to the call waiting service ofyour service provider/telephonecompany.This feature allows you to receive callswhile you are already talking on thephone. If you receive a call while on thephone, you will hear a call waiting tone.If you subscribe to both Caller ID andCall Waiting with Caller ID services,the 2nd caller’s information is displayedafter you hear the call waiting tone on thehandset.1 Press {CALL WAIT} to answer the2nd call.2 To switch between calls, press{CALL WAIT}.TG4311BX.book Page 15 Monday, November 10, 2008 9:32 AM