AT&T System 25 - Manual (Page 80)

message waiting
message waiting
signal
night service
off-hook
on-hook
outside call
outside line
PDC
paging feature
park
personal message
waiting
pickup
feature that allows you to turn message
lights on and off at telephones in the
system. (See also personal message
waiting.)
feature that allows two people in the system
to turn a light on or off at each other’s
telephone, notifying them of a message.
feature that allows you to send incoming
calls either to a bell or to preassigned
telephones when you leave for the night.
either the handset has been removed from
its cradle or the speaker/speakerphone is
turned on.
the handset is in its cradle and the
speaker/speakerphone is turned off.
call between a System 25 telephone and a
telephone not connected to the System 25.
Outside calls are made over Central Office
or other lines and are signalled by two short
rings.
a line to the Central Office or other system.
Outside lines may be accessed by pressing
special buttons or by dialing an access code.
(Personal Dial Code) extension number that
is assigned to an individual and is usually
associated with the telephone at the
individual’s desk.
allows you to access paging equipment from
System 25 telephones.
feature similar to hold, except that it allows
you to answer a call from any phone in the
system.
feature that allows you to turn on and off
a light at another person’s telephone to
notify them of a message.
feature that allows you to answer a call that
is ringing at another telephone.
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