AT&T System 25 User Manual page 31

Incoming Calls (Continued)
When you dial the inside extension, Screen 1 displays it.
Screen 2 remains the same.
After the person you are calling answers, press
information about the person calling returns to the screen.
If you press
DEST,
calling now appears on the screen.
If you press
JOIN,
Pressing
RELEASE
Release) causes Screen 1 to go blank except for the number of
calls in queue.
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OUTSIDE
OUTSIDE
information about the person you are
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Screen 1 shows a conference connection.
CONFERENCE
(or hanging up if you have Automatic
&
SOURCE
&
3
4
and
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