Panasonic TA824 User Manual page 93

Advanced hybrid system
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If no one answers a doorphone call within a specified time period, ringing stops and the
call is cancelled.
Doorphones 1 and 2 (or doorphones 3 and 4) cannot be used at the same time. When one
is in use, you cannot have a conversation with the other.
Opening a Door (Door Open)
You can unlock a door from your extension, if enabled through system programming.
From an enabled extension
PT/SLT
Off-hook.
From an extension that is on a call with a doorphone
PT/SLT
5
OR
Enter 5 or press Recall/hookswitch
and then enter 5.
The door will stay open for a specified time period.
To keep the door open longer, enter "5" again using a Panasonic proprietary telephone
(PT).
door opener no.
5
5
Dial door opener
Enter 55.
number (1–4).
5
On-hook.
1.8 Using User-supplied Equipment
C.Tone
On-hook.
User Manual
93

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