Nokia E72 Nokia E72 User Guide in US English / Spanish - Page 126
Certificate manager, View certificate details, Certificate trust settings, Add from Contacts
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Security and data management Select Options and from the following: Activate fixed dialing - Activate the fixed dialing. Deactivate fixed dialing - 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 dialing list. To send text messages to the SIM contacts while the fixed dialing service is active, you need to add the text message centre number to the fixed dialing 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 126 malicious software, and to check the authenticity of software when you download and install software to your device. Tip: When you add a new certificate, check its authenticity. View certificate details You can only be sure of the correct identity of a server when the signature and the validity period of a server certificate have been checked. To view certificate details, open a certificate folder, and select a certificate and Options > Certificate details. One of the following notes may appear: Certificate not trusted - You have not set any application to use the certificate. You may want to change the trust settings. Expired certificate - The period of validity has ended for the selected certificate. Certificate not valid yet - The period of validity has not yet begun for the selected certificate. Certificate corrupted - The certificate cannot be used. Contact the certificate issuer. Certificate trust settings Select Menu > Ctrl. panel > Settings and General > Security > Certificate management.