Y o u r p h o n e22Calls are limited to a closed user group.The timed profile is selected.A headset or handsfree enhancement is connected to thephone.■ Keypad lock (keyguard)To prevent the keys from being accidentallypressed, select Menu, and press * within3.5 seconds to lock the keypad. When theslide is open, close the slide and select Lock.To unlock the keypad, select Unlock, andpress * within 1.5 seconds. If the Securitykeyguard is set On, enter the security code ifrequested.To unlock the keypad with the slide closed, select Unlock > OK, or openthe slide to automatically unlock the keypad.To answer a call when the keyguard is on, press the call key. When youend 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 emergencynumber programmed into your device.■ Functions without a SIM cardSeveral functions of your phone may be used without installing a SIMcard (for example, the data transfer with a compatible PC or anothercompatible device). Note that when you use the phone without a SIMcard, some functions appear dimmed in the menus and cannot be used.Synchronizing with a remote internet server is not possible without aSIM card.For an emergency call, some networks may require that a valid SIM card isproperly inserted in the device.