R
DSU and DSU II Series
Digital Telephone Systems
LCD Speakerphone
System Reference Manual
MUTE
SHIFT
SPEAKER
INTERCOM
TRNS/CNF
TAP
HOLD
OPER
TUV
PRS
WXY
DEF
ABC
QZ
MNO
JKL
GHI
0
8
7
9
3
2
1
#
6
5
4
COMDIAL
2
ABC
1
3
DEF
6
MNO
5
JKL
4
GHI
7
PRS
8
TUV
9
WXY
#
0
*
SHIFT
MUTE
SPEAKER
TRNS/CONF
HOLD
TAP
MESSAGE
R
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Summary of Contents for DSU and DSU II
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