Nokia 6555 Cell Phone User Manual


 
Call functions
23
Keypad lock (keyguard)
Select Menu or Unlock (1), and press * (2)
within 1.5 seconds to lock or unlock the keypad.
If the security keyguard is activated, enter the
security code if requested.
To answer a call when the keyguard is on, press
the call key or open the phone. When you end or
reject the call, the keypad automatically locks.
For Security keyguard, see Phone p. 52.
When the keyguard is on, calls may be possible
to the official emergency number programmed
into your device.
Functions without a SIM card
Several functions of your phone may be used without installing a SIM card (for
example, the data transfer with a compatible PC or another compatible device).
Without a SIM card, some functions appear dimmed in the menus and cannot be
used.
For an emergency call, some networks may require that a valid SIM card is
properly inserted in the device.
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.