Comdial DSU II SCS84125J Station User's Manual page 112

Glossary
Dial By Name
This feature allows users to employ any two-line display, LCD
speakerphone and its interactive buttons 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, includ-
ing 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.
Direct Station Selection/Busy Lamp Field (DSS/BLF)
Programmable buttons which allow the user one button to
place intercom calls to other stations within your system; the
button is sometimes referred to as a DSS button. Busy lamp
field or BLF is a term for a light that identifies current call sta-
tus of DSS station. See telephone layout drawings in Chapter 1
for location.
Do Not Disturb
A mode that disables incoming call ringing and intercom call-
ing.
Dual Tone Multiple Frequency (DTMF)
The tones made by your telephone when you dial.
Dynamic Line Button
System temporarily assigns a normally unassigned line to an
idle line button for certain call handling operations.
102 Comdial August, 03