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ISDN 8510T Voice/Data Terminal
ISDN 8520T VOICE/DATA TERMINAL
ADJUNCT JACK
(ON BOTTOM
OF TERMINAL)
HANDSET
DESIGNATION
CARD
VOLUME
CONTROL
BUTTON
20
CALL APPEARANCE/
FEATURE BUTTONS
MESSAGE
LIGHT
DIAL PAD
REDIAL
BUTTON
EXIT
BUTTON
DROP
BUTTON
HOLD
BUTTON
DISPLAY
10
SOFTKEYS
4 DISPLAY
CONTROL BUTTONS
MUTE
BUTTON
SPEAKER
BUTTON
TRANSFER
BUTTON
CONFERENCE
BUTTON
Message
ABC
2
DEF
3
1
GHI
4
PQRS
7
*
JKL
5
MNO
6
TUV
8
WXYZ
9
Oper
0
#
FIGURE 3-20. The ISDN 8520T Voice/Data Terminal
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