Siemens C45 User Manual page 72

No connection to Signal weak.
network.
Outside GSM range.
SIM card not valid.
New network not authorised. Try manual selection or select a different network
Network barring is set.
Network overloaded.
Phone loses Signal too weak.
network.
Calls not possible. 2nd line set.
New SIM card inserted.
Charge limit reached.
Credit used up.
Certain uses of the Call restrictions are set.
phone not possible.
Entries cannot be Phonebook is full.
made in Phonebook.
Voice mail does not Call divert to the mailbox not
work set.
SMS (text message) SMS memory full.
l
flashes.
Function cannot be Not supported by your serv-
set. ice provider or registration
required.
Charge counter Charge pulse not transmitted. Contact your Service Provider.
does not work.
Move higher, to a window or open space.
Check service provider coverage map.
Reclaim at the service provider.
(p. 63).
Check barrings (p. 63).
Try again later.
Reconnection to another service provider is automatic
(p. 63). Switching the phone on and off may speed
this up.

Set line 1 (p. 63).
Check for new restrictions.
Reset limit with PIN 2 (p. 62).
Load credit.
Barrings may have been set by your service provider.
Check barrings (p. 63).
Delete entries in Phonebook (p. 20).
Set call divert to the mailbox (p. 35).
Delete messages (SMS) to make room (p. 24).
Contact your Service Provider.