Panasonic KX-TD816NZ User Manual

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2.8
Using User-supplied Equipment
98
Operation
 Opening the door
Some extensions may be restricted from performing this function.
 From a specified extension
 From any extension while talking to the doorphone
The door will be left open for five (three) seconds. (Default: 5 seconds)
You can change the time to keep the door open. Please consult your manager and dealer.
To keep the door open for another five (three) seconds, dial 5 again using a Panasonic 
proprietary telephone.
If no one answers the doorphone call within 30 seconds, the call is cancelled.
Off-hook.
On-hook.
Dial 55
5
5
Enter door opener
number
 (1-4).
door opener 
no.
PT / SLT
C.Tone   
5
5
PT
SLT
On-hook.
C.Tone   
On-hook.
Dial 5.
Dial 5.
Press 
hookswitch.
C.Tone