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1.5 Attended Features
Direct Inward System Access (DISA)
Description
Allows an outside caller to access specific system features without operator assistance as if the
caller is an extension user in the system.
The outside caller can have direct access to features such as:
• Placing an intercom call to an extension, modem (for remote system administration),
external pager (for TAFAS), Phantom extension or Extension Group.
DISA built-in Automated Attendant
A DISA caller can access the desired extension simply by dialling a one-digit code.
• Calling an outside party.
To control the DISA caller's calling ability, one of the following three Security modes can be
assigned on an OGM Group basis.
Non Security mode
Trunk Security mode
All Security mode
Outgoing Message (OGM) can be recorded for the DISA feature. When a caller reaches the
system via DISA line, a pre-recorded message will greet the caller. DISA OGMs may be
recorded by the Manager extension or an Operator.
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DISA callers can make both outside and
intercom calls without restriction.
DISA callers are required to enter a pre-
assigned DISA user code to make outside
calls.
DISA callers are required to enter a pre-
assigned DISA user code to make both
outside and intercom calls.
Features Guide
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