Doro 345GSM - Manual (Page 41)

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English
SIM.card.error
SIM.card.damaged Check the condition of the SIM card.
If it is damaged, contact the network
operator.
SIM.card.incorrectly.installed Check the installation of the SIM
card. Remove the card and reinstall it.
SIM.card.dirty.or.damp Wipe the contact surfaces of the SIM
card with a clean cloth.
Failure.to.connect.to.network
SIM.card.invalid Contact the network operator.
No.coverage.of.GSM.service Contact the network operator.
Signal.too.weak See Weak signal below.
Weak.signal
Too.far.from.base.station Try again from another location.
Network.congestion Try calling at a later time.
Echo.or.noise
Regional.problem.from.bad.network.
relay
Hang up and redial. This may
switch to another network relay.
Failure.to.add.a.contact
Phonebook.memory.full Delete contacts to free up memory.
Failure.to.set.a.function
Function.not.supported.or.
subscribed.from.network
Contact the network operator.