Siemens C55 User Manual page 91

90
Question
No connection to
network.
Phone loses
network.
Calls not possible.
Certain uses of the
phone not possible.
No entries possible
in Phonebook.
Voice mail does not
work
SMS (message)
T
flashes.
Function cannot
be set.
Memory problems
with Games&More,
ring tones, pictures,
SMS archive.
No WAP access, no
HTTP download
possible.
Questions&Answers
Possible causes
Signal weak.
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.
Signal too weak.
2nd line set.
New SIM card inserted.
Charge limit reached.
Credit used up.
Call restrictions are set.
Phonebook is full.
Call divert to the mailbox
not set.
SMS memory full.
Not supported by service
provider or registration
required.
Phone memory full.
Profile not activated, profile
settings wrong/incomplete.
Possible solution
Move higher, to a window or open space.
Check service provider coverage map.
Contact the service provider.
(p. 74).
Check barrings (p. 73).
Try again later.
Reconnection to another service provider is automatic
(p. 74). Switching the phone off and on may speed
this up.
'
Set line 1 (p. 74).
Check for new restrictions.
Reset limit with PIN 2 (p. 30).
Load credit.
Barrings may be set by your service provider. Check
barrings (p. 73).
Delete entries in Phonebook (p. 23).
Set call divert to the mailbox (p. 64).
Delete messages (SMS), (p. 32) or store them in the
archive (p. 33) to make room.
Contact your service provider.
Delete files where necessary.
Activate WAP profile (p. 39), check settings (p. 68)
and activate HTTP profile (p. 42), check settings
(p. 69).If necessary consult your service provider.