Vertical Communications II 사용자 설명서
R
TAP
MUTE
HOLD
TRNS/CONF
INTERCOM
MESSAGE
*
0
#
WXY
9
TUV
8
PRS
7
GHI
4
JKL
5
MNO
6
DEF
3
1
ABC
2
R
1
2
3
4
7
8
0
0
#
9
5
6
QZ
ABC
DEF
MNO
WXY
GHI
PRS
TUV
OPER
JKL
TRNS/CNF
HOLD
TAP
INTERCOM
R
DSU and DSU II Series
Digital Telephone Systems
●
Single Line Proprietary Telephone (SLPS)
Station User’s Guide