AT&T System 25 - Manual (Page 26)

Directory (Continued)
Placing Directory Calls
When the display shows the name and number of the person
you want to call, press
The system will automatically dial the number presently appearing on your
display. If you handset is on-hook, your speakerphone will turn on.
Exiting from the Directory
When you do one of the following, you automatically deactivate
the Directory feature:
Press again.
Allow the display to be idle for 15 seconds.
Hang up the handset after being off-hook, or lift the handset
after being on-hook.
Place a call using the dial pad or a call appearance button,
such as or pressing
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