Nokia 3720 classic - Security

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Security

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.
Select

Menu

>

Settings

>

Security

and

from the following:

PIN code request or UPIN code

request — to request for your PIN or UPIN

code every time the phone is switched on.

Some SIM cards do not allow the code

request to be turned off.

Call barring service — to restrict

incoming calls to and outgoing calls from

your phone (network service). A barring

password is required.

Fixed dialling — to restrict your

outgoing calls to selected phone numbers

if supported by your SIM card. When the

fixed dialling is on, GPRS connections are

not possible except while sending text

messages over a GPRS connection. In this

case, the recipient’s phone number and

the message centre number must be

included in the fixed dialling list.

Closed user group — to specify a group

of people whom you can call and who can

call you (network service)

Security level — to request the security

code whenever a new SIM card is inserted

into the phone, select

Phone

.

Access codes — to change the security

code, PIN code, UPIN code, PIN2 code, or

barring password

PIN2 code request — to select whether

the PIN2 code is required when using a

specific phone feature which is protected

by the PIN2 code. Some SIM cards do not

allow the code request to be turned off.

This option may not be available

depending on your SIM card. For details,

contact your network operator.

Code in use — to select the type of PIN

code

Authority certificates or User

certificates — to view the list of the

authority or user certificates downloaded

into your phone.

See "Browser

security", p. 34.

Security module sett. — to view Secur.

module details, activate

Module PIN

request

, or change the module PIN and

signing PIN.

See "Access codes", p. 11.