Multi-unit Operation20L If you want to register the handset to other baseunit(s), follow “Registering a handset to a baseunit”, page 19.L If the cancelled handset is registered to otherbase unit(s), select the base unit by following“Selecting a base unit”, page 19.L If you do not use the handset, we recommendremoving the battery to prevent malfunctioning.Intercom between handsetsIntercom calls can be made between handsets.Example: When handset 1 calls handset 21 Handset 1:{INT} i {^}/{V}: “Handset 2” (desiredhandset number). i {OK}2 Handset 2:{C}3 When finished talking, press {i}.Transferring calls betweenhandsets, conference callsOutside calls can be transferred between 2 people.2 people can have a conference call with anoutside party.Example: When handset 1 transfers a call tohandset 21 Handset 1:During an outside call, press {INT}. i{^}/{V}: “Handset 2” (desired handsetnumber). i {OK}L The outside call will be put on hold.L If there is no answer, press {i} to return tothe outside call.2 Handset 2:{C}L Handset 2 can talk with handset 1.3 Handset 1:L To complete the call transfer, press {i}.L To establish a conference call, press{CONF}.– Pressing {s} puts the external party onhold, establishing an intercom call withhandset 2.L To switch between handset 2 and theoutside call, press {SWAP}.Note:L You can also press {</T} to mute theconference call. Press {</T} again to resumethe conference call.