157
Problem
Possible
causes
Possible
solution
The network
is busy at the
current time
(for example,
during peak
times, there
may be too
much
network
traffic to
handle
additional
calls).
Avoid using the
phone at such
times, or try
again after
waiting a short
time.
You are too
far away
from a base
station for
your service
provider.
You can
request a
service area
map from your
service
provider.
Echo or
noise
Poor network
link quality
on the part of
your service
provider.
End the call
and dial again.
You may be
switched to a
better-quality
network link or
phone line.
