During a call
Adjusting the speaker volume
Adjust the speaker volume using the buttons 
and 
.
Placing calls on temporary hold
Mute
Press 
(Mute) to turn off the microphone.
The LEDs change from blue to red. The other party cannot hear what you are saying.
Press 
(Mute) to reconnect the call.
Hold
Press HOLD to put the call on hold.
The LEDs change from blue to flashing red. Both the microphone and the speaker are turned off and the call is on hold.
Press HOLD to reconnect the call.
Ending calls
End the call by pressing 
.
Secure connection
The Konftel 300IP supports secure data connections between devices (authentication and encryption). This feature must be activated by the administrator.
You know the feature is activated if you see a closed padlock in the lower
Making multi-party calls
Turn to “MANAGING PHONE LINES” on the next page for instructions on putting an individual on hold during a
Adding another party to a call
If there are free lines, new parties can be added, regardless of whether you have used the 
(Conference) button or if you are making a normal call.
Press 
during the call to get a new dialling tone.
Calls in progress are put on hold.
Dial the new number.
You can also press an arrow button to use the call list or use the menu to access the phonebook.
Press the 
(Conference ) button to merge all lines into a
Making conference group calls
See “CONFERENCE GUIDE” on page 19 to create and edit conference groups.
Press the 
(Conference) button.
Select the conference group you want to call and press OK to confirm.
The Konftel 300IP dials all the contacts in the group.
The box in front of a person’s name fills as soon as that person answers.
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