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All incoming calls are diverted to another number.
Calls are limited to a closed user group. The currently active profile is timed.
Flight profile
Use the Flight profile in radio sensitive environments to deactivate all radio frequency functions. You still have access to offline games, the calendar, and phone numbers. When
the Flight profile is active, 
is displayed.
Activate the Flight profile
Select Menu > Settings > Profiles > Flight > Activate or Personalise.
Deactivate the Flight profile Select any other profile.
Warning:
With the Flight profile you cannot make or receive any calls, including emergency calls, or use other features that require network coverage. To make calls, you must first activate the phone function by changing profiles. If the device has been locked, enter the lock code.
If you need to make an emergency call while the device is locked and in the Flight profile, you may be also able to enter an official emergency number programmed in your device in the lock code field and select 'Call'. The device will confirm that you are about to exit Flight profile to start an emergency call.
Tapping
The tapping function allows you to quickly mute and reject calls and alarm tones, and to display a clock just by double- tapping the back or front of the phone.
Select Menu > Settings > Phone > Sensor settings to activate the tapping function and vibration feedback.