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When security features that restrict calls
are in use (such as call barring, closed
user group, and fixed dialling), calls may
be possible to the official emergency
number programmed into your device.
Call barring and call diverting cannot be
active at the same time.
You need your PIN2 code to activate and
deactivate fixed dialling or edit your
fixed dialling contacts. Contact your
service provider for your PIN2 code.
Select Options and from the following:
Activate fixed dialling — Activate the
fixed dialing.
Deactivate fixed dialling
— Deactivate the fixed dialing.
New SIM contact — Enter the contact
name and phone number to which calls
are allowed.
Add from Contacts — Copy a contact
from the list of contacts to the fixed
dialling list.
To send text messages to the SIM
contacts while the fixed dialling service
is active, you need to add the text
message centre number to the fixed
dialling list.
Certificate manager
Select Menu > Ctrl. panel > Settings
and General > Security > Certificate
management.
Digital certificates are used to verify the
origins of software but do not
guarantee safety. There are four
different types of certificates: authority
certificates, personal certificates,
trusted site certificates, and device
certificates. During a secure connection,
a server may send a server certificate to
your device. Upon receipt, it is checked
through an authority certificate stored
in your device. You receive notification
if the identity of the server is not
authentic or if you do not have the
correct certificate in your device.
You can download a certificate from a
web site, or receive a certificate as a
message. Certificates should be used
when you connect to an online bank or
a remote server to transfer confidential
information. They should also be used if
you want to reduce the risk of viruses or
other malicious software, and to check
the authenticity of software when you
download and install software to your
device.
132 Security and data management
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