R28 Door Phone Administrator Guide
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13.1.2 Configure White List for Door Relay
In order to secure the door access via DTMF codes, you can set up the DTMF whitelist on
the device web
Intercom > Relay > Open Relay Via the DTMF
interface so that only the
caller numbers you designated in the door phone can use the DTMF code to gain door
access.
Parameter Set-up:
•
Assigned The Authority For:
select
All numbers
to allow all numbers for the DTMF
door unlock; select
None
to deny all numbers for the DTMF door unlock; select
Only
Contact List
to only allow the contact number in your doorphone.
Summary of Contents for R28 Series
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