Multiple handset use
Join a call in progress
The telephone base supports four system handsets at a time on an outside call. You can buy additional expansion handsets (LS6405) for this telephone base. You can register up to 12 handsets to the telephone base.
To share an outside call:
•When a handset is already on a call, you can join the call by pressing 
/FLASH or 
/SPEAKER on your handset.
•To exit the call, press OFF/CANCEL or place the handset in the telephone base or charger. The call will not end until all handsets hang up.
Intercom
Use the intercom feature for conversations between two handsets. This feature is available only if you have two or more handsets.
1.When the handset is not in use, press MENU/SELECT. Press 
or 
to highlight >Intercom, then press MENU/SELECT.
Press 
/FLASH or 
/SPEAKER, then press MENU/SELECT. Press 
or 
to highlight >Intercom, then press MENU/SELECT.
•If you have two handsets, your handset displays Calling other handset.
•If you have more than two handsets, your handset displays
INTERCOM TO: Use the dialing keys to enter a handset number 
and 0 for handset 10, 
and 1 for handset 11, 
and 2 for handset 12 or 
and # for all handsets), or press 
or 
to scroll to the desired handset then press MENU/SELECT. Your handset displays Calling HANDSET X (X represents the destination handset number) or Calling all handsets.
The other handset rings and its screen displays Other handset is calling or HANDSET Y is calling (Y represents the originating handset number).
2.To answer the intercom call, press 
/FLASH, 
/SPEAKER or any dialing key 
) on the other handset. Both handsets now display Intercom.
3.To end the intercom call, either party presses OFF/CANCEL or places the handset in the telephone base or charger. Both handsets display Intercom ended.
•You can cancel the intercom call before it is answered by pressing OFF/CANCEL.
•If the other handset does not answer the intercom call within 100 seconds, or if it is accessing the answering system, is out of range, or has no power, your handset displays No answer. Try again and returns to idle mode.
•Only one intercom call can be established with two handsets at a time.
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