Centrios 4313376 Instruction Manual page 12

HANDSET PANEL
HANDSET DISPLAY (DISPLAY IN STANDBY MODE)
Guidance For Quick Operations
1
abc
4
ghi jkl
7
pqrs tuv
*
oper
mute
R/P
SPK
10
2 3
def
5 6
mno
8 9
0
#
OK