AT&T System 25 - Manual (Page 79)

FPDC
fast busy tone
feature access
code
fixed feature
following/
forwarding
group select
buttons
hands-free
answering
hold
idle line
preference
inside call
leave word
calling
loop
loop button
(Floating Personal Dial Code) a temporarily
assigned extension number associated with
a person, but not a particular telephone.
FPDCs provide the convenience of receiving
calls at various telephones.
repeating on/off tone indicating that the
dialed number or access code is busy,
misdialed, or restricted, or that an outgoing
line is busy.
series of numbers and characters that allow
you to access System 25 features.
standard feature that is available to every
telephone.
feature that allows you to redirect
calls to another telephone.
large buttons on the bottom row of the
Selector Console that allow you to choose
the proper group of extension numbers.
feature that provides answering of
calls without lifting the handset.
feature that temporarily suspends a call.
feature that allows a telephone to
automatically select a button when you lift
the handset to place a call.
call between two or more System 25
telephones. It is signalled by one long ring.
feature that allows you to notify a person at
a busy or unanswered telephone that you
called. To use this feature, you must have
a VOICE POWER Voice Message System
(VMS) connected to your System 25.
link that carries all incoming and outgoing
calls for the attendant console.
location of a loop at the console; used for
answering and placing calls.
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