AT&T System 25 - Manual (Page 72)

repertory dialing
ringback tone
ringing line
preference
send all caIls
signaling
special ringback
tone
speed dialing
switchhook
system
administrator
test
transfer
trunk
feature that allows you to program a
telephone number or account code into a
REP DIAL button and then dial by pressing
that button.
repeating on/off tone indicating that the
number you dialed is ringing.
feature that allows the telephone to select
the ringing line automatically when you lift
the handset to answer a call.
feature that can be selected at a telephone
to send calls to a “covering” telephone.
feature that sends an audible alert to
another telephone without calling that
telephone.
one long tone followed by one short, dull
tone indicating that the person you dialed is
busy on a call and has Call Waiting.
feature that allows you to place a call or
enter an account code by pressing the “ #”
and a 2- or 3-digit code.
button depressed by the handset when the
telephone is not in use.
person responsible for assigning features
and overseeing System 25 operation.
feature that allows you to test the lights and
ringer on your telephone.
feature that allows you to connect the
person you are talking with to another
person, and then drop out of the
conversation.
a telecommunications line between two
switching systems. (See also outside line. )
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