Nokia 6630 - Security

Tools

102

Copyright © 2005 Nokia. All rights reserved.

PIN code request

- When active, the code is requested each time the phone is switched

on. Deactivating the PIN code request may not be allowed by some SIM cards.

PIN code

,

PIN2 code

, and

Lock code

- You can change the lock code, PIN code, and PIN2

code. These codes can only include the numbers from 0 to 9.

Tip! To lock the

phone manually, press

. A list of commands

opens. Select

Lock

phone

.

Avoid using access codes similar to the emergency numbers to prevent accidental dialling
of the emergency number.

Autolock period

- You can set an autolock period, a time-out after which the phone is

automatically locked and can be used only if the correct lock code is entered. Enter a
number for the time-out in minutes, or select

None

to turn off the autolock period.

To unlock the phone, enter the lock code.

Note: When the phone is locked, calls in Offline profile to certain emergency

numbers programmed into your phone are still possible.

Options in the

Fixed dialling view:

Open

,

Call

,

Activ. fixed dialling

/

Deact. fixed dialling

,

New

contact

,

Edit

,

Delete

,

Add to Contacts

,

Add

from Contacts

,

Find

,

Mark/ Unmark

,

Help

, and

Exit

.

Lock if SIM changed

- You can set the phone to ask for the lock code when an unknown,

new SIM card is inserted into your phone. The phone maintains a list of SIM cards that are
recognised as the owner’s cards.

Fixed dialling

- You can restrict calls and text messages from your phone to selected

phone numbers, if supported by your SIM card. You need the PIN2 code for this function.
To view the list of Fixed dialling numbers, press

and select

Tools

→

Settings

→

Security

→

Phone and SIM

→

Fixed dialling

. To add new numbers to the Fixed dialling list,

select

Options

→

New contact

or

Add from Contacts

. When you use fixed dialling, packet

data connections are not possible, except when sending text messages over a packet data
connection. In this case, the message centre number and the recipient’s phone number
have to be included on the fixed dialling list.

Note: When security features that restrict calls are in use (such as call barring,

closed user group and fixed dialling) calls still may be possible to the official
emergency numbers programmed into your phone.

R0915_en.book Page 102 Tuesday, February 8, 2005 11:46 AM

Tools

103

Copyright © 2005 Nokia. All rights reserved.

Closed user group

(network service) - To specify a group of people to whom you can call

and who can call you.

Confirm SIM services

(network service) - To set the phone to display confirmation

messages when you are using a SIM card service.

Certif. management

Digital certificates do not guarantee safety; they are used to verify the origins of software.

In the Certificate management main view, you can see a list of authority certificates that
have been stored in your phone. Press

to see a list of personal certificates, if available.

Glossary: Digital

certificates are used to
verify the origin of the
XHTML or WML pages and
installed software.
However, they can only be
trusted if the origin of the
certificate is known to be
authentic.

Digital certificates should be used if you want to connect to an online bank or another site
or remote server for actions that involve transferring confidential information. They should
also be used if you want to reduce the risk of viruses or other malicious software and be
sure of the authenticity of software when downloading and installing software.

Important: Even if the use of certificates makes the risks involved in remote
connections and software installation considerably smaller, they must be used
correctly in order to benefit from increased security. The existence of a certificate
does not offer any protection by itself; the certificate manager must contain
correct, authentic, or trusted certificates for increased security to be available.
Certificates have a restricted lifetime. If Expired certificate or Certificate not valid
yet is shown even if the certificate should be valid, check that the current date
and time in your phone are correct.

Viewing certificate details - checking authenticity

You can only be sure of the correct identity of a server when the signature and the period
of validity of a server certificate have been checked.

You will be notified on the phone display if the identity of the server is not authentic or if
you do not have the correct security certificate in your phone.

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