2Scroll to the desired barring option, and select Options > Activate. To change the settings, you need the barring password given by your service provider.
Call barring and call diverting cannot be active at the same time.
When calls are barred, calls may be possible to certain official emergency numbers.
Network
Select 
> Settings > Phone sett. > Phone > Network and from the following:
Network mode — to select which network to use (this is shown only if it is supported by the service provider). If you select Dual mode, the device uses the GSM or UMTS network automatically.
Operator selection — To set the device to search for and automatically select one of the available networks, select Automatic. To select the desired network manually from a list of networks, select Manual. The selected network must have a roaming agreement with your home network.
Cell info display (network service) — to set the device to indicate when it is used in a cellular network based on microcellular network (MCN) technology, and to activate cell info reception.
C a l l f u n c t i o n s
Video sharing
Use video sharing to send live video from your mobile device to another compatible mobile device during a voice call.
Video sharing requirements
Video sharing requires a 3G universal mobile telecommunications system (UMTS) connection. For information about network availability and the fees associated with this application, contact your service provider.
To use video sharing you must do the following:
•Ensure that your device is set up for
•Ensure that both the sender and recipient are registered to the UMTS network.
•Ensure you have an active UMTS connection and you are within UMTS network coverage. If you move away from a UMTS network during the sharing session, the sharing session is discontinued, but your voice call continues.