AT&T SYSTEM 25 User Manual page 59

speed dialing
station message
waiting
system access
button
system access
originate only
button
System
Administrator
test
transfer
trunk
voice terminal
waiting call
feature that allows you to place a call or enter
an account code by dialing # and a two or
three digit code. Three digit system speed
dialing codes are assigned by the System
Administrator and can be used at all voice
terminals. Individual voice terminals may be
assigned two digit personal speed dialing
codes, which you can program.
feature that allows two people to each
have a dedicated button and light to notify
each other of a message.
button that gives you direct access to
System 25 to dial or to access features. It is
labeled with your PDC.
an extra system access button on
which you can place, but not receive
calls.
person responsible for assigning features
and overseeing System 25 operation. (The
person to talk to when questions or problems
arise. )
feature that allows you to test the lights and
ringer on your voice terminal.
feature that allows you to connect the person
you're talking with to another person and
drop out of the conversation.
a telecommunications channel between two
switching systems (see outside line).
a single-line or multiline voice instrument (a
telephone).
feature that allows you to be notified of an
incoming call while on another call.
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