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MyPBX U300
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MyPBX U300
E
x
tension User
’
s G
u
i
de
Y
easta
r T
echnol
ogy
C
o.
, L
td.
（
www
.yeas
t
ar
.co
m
）
6/9
of
extension
.
In
this
way,
the
user
is
able
to
ch
eck
the
v
oicemail
,
c
a
ll
the
o
ther
extensio
n,
PSTN
o
r
mobil
e
number
s via
cell
ph
one
.
1
...
...
184
185
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189
