AT&T Door Phone Controller - Manual (Page 64)

Operation
Auxiliary Alert Mode – Basic Door Answer Function
Visitor Presses Door When a visitor presses the door speaker push button, the Door
Speaker Button Phone Controller will activate an auxiliary alert
(door-bell/chime). Any additional presses on the door speaker
push button will be ignored (with the exception that a
confirmation tone will still be sent to the speaker when
button is pressed).
the door
Answering a Call Sent When a person inside the building hears the door bell/chime
From the Door Phone sound, he can simply respond by dialing the Door Phone
Controller station number. At this point, the AT&T Door Phone
Controller will establish two-way communications with the door
speaker.
The telephone system must To open the door, the person inside the building either enters
pass Touch Tones to the station the Door Code on the telephone’s keypad or presses the
port connected to the AT&T
,
Door Phone Controller in order
customer provided door-unlock push button. Either of these
for the Door Code to be
actions will activate the customer provided electric door
recognized.
Complete installation
instructions for adding an
Auxiliary Alert option can be
found in Appendix E.
Calling the Door
Speaker
release.
As an alternative response to hearing the door bell/chime, the
person inside the building can press the door-unlock push
button which will stop the auxiliary contacts and will open the
door. This allows the door to be unlatched without the use of a
phone.
To initiate a call to the Door Speaker, the person inside the
building simply takes the telephone off-hook and dials the
station phone number of the door speaker.
Ringdown Mode – Basic Door Answer Function
Visitor Presses Door When a visitor presses the door speaker push button, the
Speaker Button AT&T Door Phone Controller will activate a door-bell/chime
(optional), go off-hook, and dial the pre-selected stored phone
5-8 Installation - Dedicated Station Port