both way lines or incoming only and may be allowed or disallowed for any of the 6 ring plan time periods.
The C.O. lines used for DISA must have disconnect supervision.The requirement to put in a DISA security code
can be disabled if desired.
DIRECT TRUNK SELECTION
Each station can be allowed access to or denied access from a trunk or trunk group by access code when LCR
is activated. When restricted, the station user must use a trunk key or a route key.
DIRECTORY NAMES
Each station, station group and C.O. line may be assigned a directory name (maximum 11 characters). In addi-
tion, each personal speed dial number, system speed dial number and entry in the DID translation table may
be assigned a name (maximum 11 characters). These names are displayed during calls with these ports and
in the case of station and speed dial names, can be used to originate calls.
DISA SECURITY
Telephone fraud and long distance theft are a serious concern. The OfficeServ 7100 provides a strong DISA
security system. If an incorrect DISA passcode is entered repeatedly (as is the case with “hackers”), the DISA
system can be automatically disabled temporarily. Both the number of incorrect passcode attempts and the
time that DISA is disabled are programmable. In addition, all failed attempts to access DISA print on SMDR (if
provided) with a “DE” DISA error flag.
DISTINCTIVE RINGING
The OfficeServ 7100 provides distinctive ringing at a station based on selected parameters.
•
Outside calls have a single ring repeated, while intercom calls have a double ring repeated.
•
Any trunk or station can be programmed to ring a specific digital keyset with a predefined ring tone (1-
8) or an analog station with a predefined cadence (1-5) selection.
•
Digital keysets and analog stations may receive distinctive ringing based on the Caller ID number
received or the DID number dialed.
DOOR LOCK RELEASE (PROGRAMMABLE)
After answering a call from the door phone, users can dial a code to activate a contact closure. This can be
used to operate a customer-provided electric door lock release mechanism. The contact closure timer is pro-
grammable from 100–2500 ms.
DOOR PHONES
The door phone interface module (DPIM) provides for connection of a door phone to a DLI port. Pressing the
button on the door phone produces a distinctive ring (three short rings repeated) at the assigned station or
station group. If not answered within a programmable time, the system releases the door phone and stops
the ringing. Stations may call the door phone directly and monitor the surrounding areas. Door phones fol-
low the system ring mode plan.
EXECUTIVE BARGE-IN (OVERRIDE)
The feature allows specially programmed stations with a barge-in key to override the automatic privacy of
another station or outside trunk. Programming allows barge-in with or without a warning tone. Stations may
also be programmed as “secure” so that they cannot be barged-in on.
4.15
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