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Multiple handset use
Push-to-talk (PTT)
Using the telephone base:
1.  There are a few ways to begin a PTT call to a single handset. When the  
telephone base is not in use:
 X If you have one handset, press and hold PTT.
 X If you have more than one handset:
w Press PTT, and then use the dialing keys to enter the destination 
handset number. 
-OR-
w Press  CID,  DIR,  /RECORD, or  /DELETE to highlight the destination 
handset number, and then press SELECT or PTT.
The telephone base shows Connecting to HANDSET X... 
(HANDSET 
represents the handset name, X represents the destination handset 
number) 
for a few seconds. When the connection is made, both the 
telephone base and destination handset display Press and hold [PTT] to 
talk.
 
2.  Press and hold PTT. A chirp indicates your microphone is on. Speak towards 
the telephone base. Your voice is broadcast to the destination handset. 
While you are speaking, the telephone base shows PTT To HANDSET X.
3.  Release PTT aer speaking. Both devices beep once again and the screens 
show Press and hold [PTT] to talk, and then you can press and hold PTT to  
continue speaking or the destination device can respond (see Answer a  
PTT call on page 100).
4.  To end the PTT call, press CANCEL or END . The telephone base shows  
Push to talk Ended for a few seconds.
NOTE: After PTT is released, the PTT call remains open for a short time. If no one presses 
PTT within 10 seconds, the PTT call ends automatically.