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Call functions
21
PIN codes
The personal identification number (PIN) code and the universal personal
identification number (UPIN) code (4 to 8 digits) help to protect your SIM card
against unauthorized use. See Security p. 50.
The PIN2 code (4 to 8 digits) may be supplied with the SIM card and is required
for some functions.
The module PIN is required to access the information in the security module. See
Security module p. 72.
The signing PIN is required for the digital signature. See Digital signature p. 72.
PUK codes
The personal unblocking key (PUK) code and the universal personal unblocking
key (UPUK) code (8 digits) is required to change a blocked PIN code and UPIN
code, respectively. The PUK2 code (8 digits) is required to change a blocked PIN2
code. If the codes are not supplied with the SIM card, contact your local service
provider for the codes.
Restriction password
The restriction password (4 digits) is required when using the Call restrictions.
See Security p. 50.
3. Call functions
■ Make a voice call
1. Enter the phone number, including the area code.
For international calls, press * twice for the international prefix (the +
character replaces the international access code), enter the country code, the
area code without the leading 0, if necessary, and the phone number.
2. To call the number, press the call key.
To increase the volume in a call, press the volume up key and to decrease
press the volume down key.
FCC Draft
Model 3555c - 23 April 2007