AT&T Merlin Legend MLX-20L Operation Manual page 118

dialpad
The numbered buttons and the asterisk (*) and pound sign (#) on
your console. 1-5
dial-out code
A code (usually a 9) you dial to make an outside call. 2-16
digital/ISDN MLX-20L™ telephone
A phone with a large (7 line x 24 character) display and 20 line
buttons that is used as a QCC operator console. 1-4, 1-5
Direct
A way to send calls from your phone to another phone. 2-10
Direct Station Selector (DSS)
An adjunct with buttons that you use to place calls to extensions and
check their status. A DSS can be attached to your console. 1-2, 1-6,
1-7
Direct Station Selector (DSS) buttons
The buttons you use to place calls to extensions and check their
status. 1-7, 1-11, 1-12, 1-13
Directory
A feature consisting of three listings of numbers you can dial
automatically: Extension Directory, Personal Directory, and System
Directory. 4-12
display
The area on your console where you view instructions for using
features and get information about calls. 1-5, 1-19