AT&T System 25 - Manual (Page 33)

speed dialing
switchhook
system
administrator
transfer
trunk
feature that allows you to place a call or
enter an account code by dialing “ #” and a
2- or 3-digit code. Individual telephones
may be assigned 2-digit Personal Speed
Dialing codes, which you can program. All
3-digit System Speed Dialing codes are
assigned by the System Administrator and
can be used at all telephones.
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 connect the
person you are talking with to another
person, then drop out of the conversation.
a telecommunications channel between two
switching systems. (See outside line.)
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