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20
Problem
I am missing lots of calls
My phone is running slowly
Low earpiece volume
Possible Cause
Check the number
Call key not pressed
Network is busy
Call barring or fixed dialling is activated
Not registered with service provider
No credit left on your prepaid card
Check operating band
Roaming agreement
Synchronising too often
Weak signal
Not enough memory available
Low setting
164
Possible Corrective Action
Use the full area code and country code in the
correct international format.
After dialling the number, you must press the Call
key
.
If you hear rapid beeps, the network is busy. Hang
up and try again.
Check the Telephony settings on your phone.
Check your call barring settings with your service
provider.
After purchasing your phone, you may need to
call your service provider to activate the line.
Recharge your credit in the normal way.
Check the band you are operating on. North
America operates on 1900, but Europe and Asia
both operate on 900/1800 band. Check with
your service provider.
Check with your service provider on the terms and
conditions of your roaming agreement.
The phone's performance is slowed considerably
while synchronisation is taking place between
your phone and your desktop computer. This
could result in missed calls. Check the Sendo PC
Connect settings on your PC (Schedule tab in the
Sendo PC Connect Window). Set synchronisation
manually instead of automatically.
Move into an area of better coverage. If you are
inside try moving closer to a window.
Check the Available Storage in
Programs>Settings>About. You should always
keep the Available Storage level at more than
1MB. Anything below this could degrade the
performance of the phone.
Increase the volume using the joypad keys.
Sendo X User Guide
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