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Section 400-Programming
extension, even if the phone is programmed to transfer (the phone will
continue to buzz, until the user picks it up).
Restrictions for Door Phone Calls:
• Door phones cannot be included in a conference call.
• Door phones cannot be members of a hunt group or call coverage group.
• Door phone calls are not subject to barge-in (Busy Override), regardless of
• Door phone calls have the same priority as intercom extension calls.
• The DTMF path is disabled during a door phone call. When the extension
Receiving a Door Phone Call. When a visitor presses the door phone
button, an intercom call is generated automatically to the extension(s)
assigned to ring for a door phone call.
• If the extension is on-hook, the visitor will hear ringing tones. The tones
• If the extension is busy, the door phone call will ring in as a normal call
DBS-2.3/9.2-400
the extension's program settings.
user dials the access code to unlock the door, the visitor will not hear the
DTMF digits.
will stop when the extension user answers the door phone call.
(for example, the extension user will hear a "beep" in the receiver, indicat-
ing another call) -- and the visitor will hear silence. When the extension
user hangs up, a call will be established between the door phone and the
extension (it will either ring or establish an intercom voice path, depending
on the extension's programming).
DBS Manual - Revised April 2000
Chapter 1. System Programming (FF1)
Page 1-87
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