Multiple handset use
Intercom
Answer an incoming call during an intercom call
If you receive an outside call during an intercom call, there is a two-beep call 
waiting tone.
To answer the call, press  PHONE/FLASH or  /SPEA�ERSPEA�ER. The intercom call 
ends automatically. The party on the intercom call hears four beeps. Other 
system handsets can also answer the incoming call by pressing  
PHONE/FLASH or  /SPEA�ERSPEA�ER.
To end the intercom call without answering the incoming call, press  
OFF/CANCEL
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