Siemens C61 User Manual page 89

88 Questions & Answers
Question Possible causes
No connection Weak signal.
to network.
Outside GSM range.
SIM card not valid.
New network not authorized.
Network barring is set.
Network overloaded.
Phone loses Signal too weak.
network.
Calls not 2nd line set.
possible.
New SIM card inserted.
Credit used up.
Certain uses of Call restrictions are set.
the phone not
possible.
No entries Phonebook is full.
possible in
Phonebook.
Voice mail does Call forwarding to the mailbox
not work not set.
SMS (text SMS memory full.
message)
T
flashing.
Function Not supported by service provider
cannot be set. or registration required.
Memory Phone memory full.
problems for,
e.g. messages,
ring tones,
pictures.
No WAP access, Profile not activated, profile
no download settings wrong/incomplete.
possible.
Possible solution
Move to higher location, to a window or open space.
Check coverage area of service provider.
Contact the service provider.
Try manual selection or select a different network
(p. 78).
Check barrings (p. 76).
Try again later.
Reconnection to another service provider is
automatic (p. 78). Switching the phone off and on
may speed this up.
'
Set first line (p. 78).
Check for new restrictions.
Load credit.
Barrings may be set by your service provider.
Check barrings (p. 76).
Delete entries in Phonebook (p. 34).
Set call forwarding to the mailbox (p. 71).
To free up capacity, delete (p. 49) or file (p. 50) text
messages (SMS).
Contact your service provider.
Delete files in the applicable areas and unneeded
T9 dictionaries.
Activate WAP profile (p. 62), set (p. 62). If necessary,
ask your service provider.