Vertical Communications EP100 User Manual
Page 120
Glossary
122
Comdial
Sept ‘04
D
Data Interface Unit (DIU)
This optional unit provides connections for your standard
multiline digital telephone and Industry Standard
Telephone (IST) device such as a FAX machine or
answering machine.
Departmental Station Operation
The operation of stations that are organized into
departments.
Dial By Name
This feature allows users to employ any two-line
display, EP100 and its soft keys to search through an
index of names, locate a desired station name or
system speed dial name, and automatically call the
located item.
Digital Voice Announcing (DVA)
The DVA is a line-powered device that provides
voice prompts for auto-attendant and transfer, or you
can use it to enhance the operation of DISA and
Tracker.
Direct Inward System Access (DISA)
An enhancement option that allows outside callers to
directly call a station or access certain internal
system features, including all line groups and ARS.
To prevent fraudulent access and unauthorized use,
the caller must use an authorization code and system
access code to gain access to outside lines as well as
many of the advanced telephone features.
Direct Inward Station Dialing (DISD or DID)
This feature allows an outside party to call an
intercom station directly without an attendant’s
assistance.