Sharp GX22 User Manual page 175

Problem
• Your current location may not
provide good call quality (i.e.,
in a car or train). Move to a
Call quality is poor.
location where radio signal
strength is greater.
• Check where your account
has been registered and
Cannot access
where the service is
network service.
available.
• Make sure you are correctly
subscribed for the Short
Message Service, that the
Cannot send or
network supports this service,
receive Text
and that the centre number is
Message.
set up correctly. If not, contact
your network service
provider.
• MMS settings and
configuration may be missing
or incorrect or the network
Cannot connect to
does not support it. Check
Multimedia
your service provider's
Message service
access point number.
provider.
Contact your service provider
to confirm the correct
settings.
Solution Problem
• Delete any unnecessary data.
Limited memory
available.
• Magnetised objects such as
health necklaces placed near
Call is terminated
the phone may terminate the
unexpectedly.
call. Keep your phone away
from such objects.
• Confirm that the source
No entries are
setting (Handset or SIM) and
displayed in the
View Groups setting are
Phonebook
made correctly.
• Before transmitting fax data,
configure your fax software to
use the software flow control.
Fax transmission
failure • Use of the optional data cable
is recommended for
transmitting fax data.
Solution
Troubleshooting 175