Samsung GSM1800 - Manual (Page 148)

Solving Problems
148
“No Service,” “Network Failure” or “Not
Done” displays
• The network connection was lost. You may be in a
weak signal area (in a tunnel or surrounded by
buildings). Move and try again.
• You are trying to access an option for which you
have not taken out a subscription with your
service provider. Contact the service provider for
further details.
You have entered a number but it was
not dialled
• Have you pressed the key?
• Are you accessing the right cellular network?
• You may have set an outgoing call barring option.
Your correspondent cannot reach you
• Is your phone switched on (the key pressed
for more than one second)?
• Are you accessing the right cellular network?
• You may have set an incoming call barring option.
Your correspondent cannot hear you
speaking
• Have you switched off the microphone?
• Are you holding the phone close enough to your
mouth? The microphone is located at the bottom
of the phone.