AT&T MERLIN LEGEND Calling Group Supervizor's Manual page 69

Index/Glossary
direct inward dialing
A special line that can be connected to the system so that outside
callers can dial extensions directly, bypassing the system operator.
1-2
Direct Station Selector (DSS)
An adjunct with buttons that you use to place calls to extensions and
check extension status. The DSS can be attached to a digital/ISDN
(MLX) display phone and is built into the MERLIN® II System Display
Console. 2-1, 2-6, 4-6, 4-7
E
external alert
An alert, such as a strobe light or bell, your company assigns to a
calling group's extension number. The alert is activated when the
number of calls in queue equals or exceeds the limit. 3-8
F
Feature button
A button you press to program and use phone features. On
digital/ISDN (MLX) phones, the Feature button is a dedicated,
imprinted button; on analog multiline phones, you have to program a
Feature button. 2-14, 2-22
IG-4 Index/Glossary