User`s guide

Options, EFBus, Matrix Mixer and Presets to satisfy our design goals.
Options
One of our design goals was to have the Vortex EF2201 automatically hang up if the unit detected a drop in
loop current or a call progress tone such as a busy signal. To achieve that goal, the A
UTO HANGUP (CALL
PROGRESS BASED
) and the AUTO HANGUP (LOOP DROP BASED) boxes should be checked.
EFBus
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