Nokia E52 User Manual
Also see for E52: User guideSpecificationsUser guideService manualUser guide
                                                                                                                                                                 | |
Contents
| 
You need your PIN2 code to activate and deactivate fixeddialling or edit your fixed dialling contacts. Contact yourservice provider for your PIN2 code.Select Options and from the following:• Activate fixed dialling — Activate the fixed dialing.• Deactivate fixed dialling — Deactivate the fixeddialing.• New SIM contact — Enter the contact name and phonenumber to which calls are allowed.• Add from Contacts — Copy a contact from the list ofcontacts to the fixed dialling list.To send text messages to the SIM contacts while the fixeddialling service is active, you need to add the text messagecentre number to the fixed dialling list.Certificate managerSelect Menu > Ctrl. panel > Settings and General >Security > Certificate management.Digital certificates are used to verify the origins ofsoftware but do not guarantee safety. There are fourdifferent types of certificates: authority certificates,personal certificates, trusted site certificates, and devicecertificates. During a secure connection, a server may senda server certificate to your device. Upon receipt, it ischecked through an authority certificate stored in yourdevice. You receive notification if the identity of the serveris not authentic or if you do not have the correct certificatein your device.You can download a certificate from a web site, or receivea certificate as a message. Certificates should be usedwhen you connect to an online bank or a remote server totransfer confidential information. They should also beused if you want to reduce the risk of viruses or othermalicious software, and to check the authenticity ofsoftware when you download and install software to yourdevice.Tip: When you add a new certificate, check itsauthenticity.View certificate detailsYou can only be sure of the correct identity of a serverwhen the signature and the validity period of a servercertificate have been checked.To view certificate details, open a certificate folder, andselect a certificate and Options > Certificate details.One of the following notes may appear:• Certificate not trusted — You have not set anyapplication to use the certificate. You may want tochange the trust settings.• Expired certificate — The period of validity has endedfor the selected certificate.• Certificate not valid yet — The period of validity hasnot yet begun for the selected certificate.• Certificate corrupted — The certificate cannot beused. Contact the certificate issuer.Certificate trust settingsSelect Menu > Ctrl. panel > Settings and General >Security > Certificate management.Trusting a certificate means that you authorise it to verifyweb pages, e-mail servers, software packages, and other122 Security and data management |
Related manuals for Nokia E52
This manual is suitable for:
manualsdatabase
Your AI-powered manual search engine