Technical data

N
o
t
f
o
r
C
o
m
m
e
r
c
i
a
l
U
s
e
E
r
i
c
s
s
o
n
M
o
b
i
l
e
C
o
m
m
u
n
i
c
a
t
i
o
n
s
146 Index
Volume
changing 15
Volume key 6, 14, 17
W
WAP services 69
browsing 69
push messages 73
security 66, 71