IP Phone User Manual
Table Of Contents

10  IP 720 User Manual
Headset 
button
When pressed, the user 
will be able to activate the 
RJ-9 headset port.
• This button is used as a hook 
switch for headset ports.
• The button is used as a headset-in-
use indicator when a Plantronics 
wireless PSB port is connected. 
The headset on-hook and off-hook 
is controlled by the Plantronics 
headset module.
Hold button Places an active call on 
hold.
• When Multiple Call Waiting is 
enabled at the extension, the user 
can put multiple incoming calls on 
hold and retrieve using the phone’s 
/ buttons and Enter button.
• Pressing Hold while onhook will 
retrieve the last hold call.
• Supports up to 9 hold calls.
Intercom 
button
Connects you directly to 
the callee’s intercom after 
one ring.
Line Park A parked call line 
appearance can be 
assigned as a 
programmable Line Park 
key by the administrator. 
When connected to a 
caller, the call can be 
parked by pressing the 
Line Park key. If a call is 
parked at a Line Park line, 
the button’s light is on. 
The call can be picked up 
by pressing the Line Park 
key. 
• When configured by the system 
administrator, the IP phone can 
play an audible beep or one of 14 
different ring tones when a call is 
parked.
• When configured by the 
administrator, an alternate way to 
pick up a parked call is to use #51 
<line number> if Line Park is not 
assigned to a programmable key.
• The Line Park key’s light will be 
lit and turns off when the parked 
call is picked up, the caller hangs 
up, or the call is routed to IVR/
Auto Attendant.
Mute button While on a call, mutes 
conversation.
Program
Keys
Lets users associate a 
programmable key with a 
speed dial number or 
feature code directly from 
the IP phone.
• If the system administrator has 
allowed it, you can associate 
certain programmable keys with a 
speed dial number or feature code 
from the IP phone menu.










