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Direct Inward System Access (DISA)
This feature allows the number and name field of the LCD display on a DID call to be
presented to the ICLID port. Calls are identified in the SMDR field as Answered (I) or
Unanswered (U) followed by the DID number. At least one DTMF receiver must be installed
on the system.
Direct Inward System Access (DISA)
Triad 1/2/3
access to the system. DISA callers may access LCR, All Internal/External Paging, All Call
Paging, Call Park Pick-Up, and Meet-Me Paging. A DTMF receiver must be available for DISA
operation. The duration of a trunk-to-trunk DISA call can be set by system administrator.
Group Access
Incoming DISA callers may access all line groups such as FX or WATS lines or other outgoing
services while away from the office.
DISA Call Forwarding
Four options are available for a DISA line: 1) 24-hour, 2) night, 3) 24-hour with forwarding, 4)
or night with forwarding. The CO line ringing at a station follows preset forward or no-answer
call forward using the preset forward timer the same as an initially ringing CO line does. It
follows direct forward and busy forward the same as an initially ringing CO line. If the preset
forward timer is set to 00 (disabled) the first forward of the DISA ringing call at a station takes
15 seconds.
Programmable Access
A three-digit security code can be assigned in the system database to restrict unwanted use
of the DISA circuits. Each DISA line can be programmed independently for each option.
Station Access
DISA callers may dial any station directly without going through the Attendant.
Trunk-to-Trunk
The DISA Trunk-to-Trunk (or Conference) option on the CO line governs a DISA callers ability
to access other outside lines. CO lines must have DISA Trunk-to-Trunk enabled to allow a
DISA caller to establish an outgoing trunk-to-trunk connection. This allows for specific CO
line access restriction on DISA calls.
allows programming of an unlimited number of outside line calls to provide direct
Vodavi has taken precautions to prevent fraud by requiring a security code for this
feature. However, it is may still be vulnerable to fraud.
Chapter 2 - Digital Station Features
2-29
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