Motorola T721 Getting Started Manual page 184

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Problem
My phone asks
for an unlock
code when I
try to open a
feature.
My phone
does not ring.
I tried to place
a call and
heard an
alternating
high/low tone.
I cannot send/
receive calls.
182
Solution
The application you want is
locked. If you do not know the
unlock code, see page 47.
Y
If you see
display, then the ringer is turned
off. To change the ring style, see
page 49.
Also, the ringer may be set to
Silent
even though your phone is
set to an audible ring style. To set
an audible alert, see page 111.
Your call did not reach the
wireless system. You may have
dialed the number too soon after
turning the phone on. Wait until
the display shows the name of
your service provider before
making a call.
Make sure that you have a phone
signal (the signal strength
indicator should have at least 1
segment showing). Avoid
electrical or radio interference,
and obstructions such as bridges,
parking garages, or tall buildings.
Also, check to be sure your SIM
card is installed and working.
Z
or
in the

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