AT&T SYSTEM 25 User Manual page 38

speed dialing
switchhook
system
administrator
transfer
trunk
voice terminal
34
feature that allows you to place a call or enter
an account code by dialing " # " and a 2- or
3-digit code. All 3-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 2-digit Personal Speed Dialing
codes, which you can program.
button(s) depressed by the handset when the
voice terminal is not in use.
person responsible for assigning features
and overseeing System 25 operation. (The
person to contact if questions or problems
arise. )
feature that allows you to connect the person
you're talking with to another person then
drop out of the conversation.
a telecommunications channel between two
switching systems. (See outside line. )
a single-line or multiline voice instrument
(a telephone).