18Security

ChangePhonecode

You define and enter the phone code (4 - 8 digits) when calling up a phone code protected function for the first time. It is then valid for all protected functions.

Clear SIM card barring

If the SIM card is barred, enter the PUK (MASTER PIN) provided by your service provider with the SIM card, according to instructions. If the PUK (MASTER PIN) has been lost, please contact your service provider.

Note

 

Screensaver

p. 64

Auto key lock

p. 67

Further security settings

p. 75

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Siemens C56 manual 18Security, ChangePhonecode, Clear SIM card barring