Multiple handset use
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Push-to-talk (PTT)
Make an outgoing call during PTT call
During a one-to-one PTT call, press  PHONE/FLASH on your handset or  
/SPEAKER on your telephone base to get a dial tone. The PTT call  
ends automatically.
During a PTT call to multiple devices, press  PHONE/FLASH on the 
initiating handset or  /SPEAKER on the initiating telephone base. The 
PTT call ends automatically and you get a dial tone.
During a PTT call to multiple devices, press  PHONE/FLASH on any one 
of the destination handsets or press  /SPEAKER on the destination 
telephone base. That device gets a dial tone. The PTT call continues for 
the rest of the PTT participants.
End or leave a PTT call
For one-to-one PTT calls, both initiating and destination devices can end the 
PTT call. For PTT calls to multiple devices, the initiating device can end the 
PTT call. If any one of the destination devices leaves the PTT call, the call 
continues until all participants or the initiator hangs up.
Press  OFF/CANCEL on the handset or place the handset in the telephone 
base or charger, or press CANCEL on the telephone base. The screen shows 
Push to talk Ended.
NOTE: After PUSH TO TALK on the handset or PTT on the telephone base is released, the 
PTT call remains open for a short time. If no one presses PUSH TO TALK on the handset or 
PTT on the telephone base within 10 seconds, the PTT call ends automatically.
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