Multiple handset use
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Push-to-talk (PTT)
You can directly broadcast messages to the 
speakerphone of any device. Press and hold  
PUSH TO TALK on a handset to begin  
two-way communication.
Only one device can talk at a time. To do so,  
press and hold PUSH TO TALK.
You must release PUSH TO TALK, so the other person can respond.
Only one PTT session can be active at a time.
While PTT is in use between two devices, other devices cannot 
use the intercom feature but can access the answering system.
NOTE: The PTT function is not available when QUIET mode is on or if you 
have only one handset.
Turn PTT on or off
1. Press PUSH TO TALK when the handset is not in use. The  
PUSH TO TALK menu displays.
2. Press qCID or pDIR to choose PTT On/Off, then press  
MENU/SELECT.
3. Press qCID or pDIR to choose On or Off, then press  
MENU/SELECT.
PTT call to a single device
1. There are a few ways to begin a PTT call to a single device. 
When the handset is not in use:
If you have a two-handset system, press and hold  
PUSH TO TALK.
If you have more than two handsets, press PUSH TO TALK. 
Press qCID or pDIR to choose the destination handset 
number and press MENU/SELECT or PUSH TO TALK.
2. Press and hold PUSH TO TALK. 
3. Release PUSH TO TALK after speaking.
4. To end the PTT call, press   or place the handset in 
the telephone base or charger.
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PTT