User's Manual

User Manual
will be billed, like making calls and sending SMS. Depending
on your operator's billing policy, you may also be charged to
download the application because of airtime consumption.
Security considerations
Java™ MIDP technology is an efficient way to provide
powerful applications in mobile phones.
All these MIDP 2.0 features cannot be simply exposed to any
MIDlet installed in the handset: a careful access control system
is implemented in the device to protect your private data and
airtime consumption.
Access controls are gathered in 9 security groups:
– Network access
– Auto invocation
–Phone call
– Local connectivity
– Messaging receive
– Messaging sending
– Read User data
– Write User data
– Multimedia recording
Each of these security groups has one among 5 possible
authorizations levels [listed from the more restrictive to the
more permissive]:
– Never: The security group completely prevents access to
the protected features.
– Per use: Each time MIDlet tries to use protected feature,
user is prompted to grant access.
– Per session: First time a MIDlet uses a protected function,
user is prompted to grant access like in "Per use"
authorization but access is granted until the MIDlet
terminates.
– Single confirmation: The first time in the whole MIDlet life a
MIDlet uses a protected feature, user is prompted to grant
access. It remains valid until the MIDlet is removed from
the handset.
– Always: The security group unconditionally grants access
to protected features.
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