92Questions&Answers

Question

Possible causes

Possible solution

No connection to

Signal weak.

Move higher, to a window or open space.

network.

 

 

 

Outside GSM range.

Check service provider coverage map.

 

SIM card not valid.

Contact the service provider.

 

New network not authorised.

Try manual selection or select a different network

 

 

(p. 77).

 

Network barring is set.

Check barrings (p. 75).

 

Network overloaded.

Try again later.

 

 

 

Phone loses

Signal too weak.

Reconnection to another service provider is automatic

network.

 

(p. 76). Switching the phone off and on may speed

 

 

this up.

Calls not possible.

2nd line set.

Set line 1 /(p. 76).

 

New SIM card inserted.

Check for new restrictions.

 

Credit used up.

Load credit.

Certain uses of the

Call restrictions are set.

Barrings may be set by your service provider. Check

phone not possible.

 

barrings (p. 75).

No entries possible

Phonebook is full.

Delete entries in Phonebook (p. 27).

in Phonebook.

 

 

Voicemail does not

Call forward to the voicemail

Set call forward to the voicemail (p. 67).

work

not set.

 

SMS (message)

SMS memory full.

Delete messages (SMS), (p. 36) or store them in the

#flashes.

 

archive (p. 37) to make room.

Function cannot

Not supported by service

Contact your service provider.

be set.

provider or registration

 

 

required.

 

Memory problems

Phone memory full.

Delete files where necessary.

with Games&More,

 

 

ring tones, pictures,

 

 

SMS archive.

 

 

No WAP access, no

Profile not activated, profile

Activate WAP profile (p. 42), check settings (p. 71)

HTTP download

settings wrong/incomplete.

and activate HTTP profile (p. 45), check settings

possible.

 

(p. 72).If necessary consult your service provider.

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Siemens C56 manual 92Questions&Answers