Comdial and FXT Owner's Manual page 105

GCA70-349
Abbreviation
Voice Announce
VAB
Block
*Available only on Impact SCS 8412FJ and 8412SJ models only.
Large Screen Display Speakerphone Station User's Guide
Feature
Inhibits your station from receiving a SOHVA. Also,
blocks voice calls sent over the speaker. When chosen
as a feature, stores a button that provides the function.
Display Abbreviations
Definition
97