2.8 Using User-supplied Equipment
2.8.1 If a Doorphone / Door Opener is Connected
— Doorphone call
Doorphone call
To call from the doorphone
Doorphone
Press doorphone
button.
To call the doorphone
PT / SLT
Off-hook.
Operation
doorphone no.
3
1
Dial 31.
Enter doorphone
number (1-4).
2.8 Using User-supplied Equipment
— Opening the door
C.Tone
Talk.
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