AT&T Door Phone Controller - Manual (Page 61)

Option Selection
The final step of the installation procedure is selecting options
for your AT&T Door Phone Controller. The selection of these
Refer to Appendix B for a
detailed explanation of each of
options must be done
these options.
mode lets you control
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Delay before Door
while in the Option Selection Mode. This
such things as:
Ajar Call-Back
Ring/Chime Cadence
Ring/Chime Duration
Door Unlock Code
Door Unlock Duration
Enable Door Code
Door Ajar Mode
Forced Disconnect Time-Out
Reset Options to Factory Defaults
Phone Number Storage Memory 1
Phone Number Storage Memory 2
Installation - Dedicated Station Port 5-5