Comdial DSU and DSU II System Reference Manual page 24

Programming The Attendant Features
Character Code Character Code Character Code
A 21
B 22
C 23
D 31
E 32
F 33
G 41
H 42
I 43
J 51
K 52
L 53
M 61
N 62
O 63
P 71
Q 11
R 72
S 73
T 81
U 82
V 83
W 91
X 92
Y 93
Z 13
2–4 LCD Speakerphone Reference Manual
Letter Code Table
a 24
b 25
c 26
d 34
e 35
f 36
g 44
h 45
i 46
j 54
k 55
l 56
m 64
n 65
o 66
p 74
q 14
r 75
s 76
t 84
u 85
v 86
w 94
x 95
y 96
z 16
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1 01
2 02
3 03
4 04
5 05
6 06
7 07
8 08
9 09
0 00