User`s manual

Introduction
The 8520 ISDN display terminal offers 20 call appearances, Conference, Drop,
Hold, Mute, Redial, and Transfer buttons, a speakerphone, a message indicator,
a Volume control button, and an adjunct jack. Ten softkeys and four display
control buttons located to the left and right of a 7-line by 24-character liquid
crystal display, along with
Exit located further down on the display terminal, can
be used to access features such as Personal Directory, Call Log, Data, and other
options. For information on the ISDN 8520 voice terminal features, refer to the
ISDN 8520 Voice Terminal User’s Manual , 555-021-758.
ISDN 8520T
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Softkeys
Display
Control
Buttons
Display
Figure 1-3. 8520 Display Terminal, Softkeys, and Display Control Buttons
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