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Calls are limited to a closed user group.
The timed profile is selected.
A headset or handsfree enhancement is connected to the
phone.
■ Keypad lock (keyguard)
To prevent the keys from being accidentally
pressed, select Menu, and press * within
3.5 seconds to lock the keypad. When the
slide is open, close the slide and select Lock.
To unlock the keypad, select Unlock, and
press * within 1.5 seconds. If the Security
keyguard is set On, enter the security code if
requested.
To unlock the keypad with the slide closed, select Unlock > OK, or open
the slide to automatically unlock the keypad.
To answer a call when the keyguard is on, press the call key. When you
end or reject the call, the keypad automatically locks.
For Security keyguard, see Phone p. 63.
When the keyguard is on, calls still 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). Note that when you use the phone without a SIM
card, some functions appear dimmed in the menus and cannot be used.
Synchronizing with a remote internet server is not possible without a
SIM card.
For an emergency call, some networks may require that a valid SIM card is
properly inserted in the device.