[ 59 ]the selected certificate.• Certificate corrupted - The certificate cannot be used. Contact thecertificate issuer.Important: Certificates have a restricted lifetime. If Expired certificate orCertificate not valid yet is shown even if the certificate shouldbe valid, check that the current date and time in your phoneare correct.Change the trust settings of an authority certificateScroll to an authority certificate and select Options→ Trust settings.Depending on the certificate, a list of the applications that can use theselected certificate is shown. For example:WAP services / Yes - the certificate is able to certify WAP sites.Application manager / Yes - the certificate is able to certify the origin ofnew software.Internet / Yes - the certificate is able to certify e-mail and imaging servers.Important: Before changing these settings, you must make sure that youreally trust the owner of the certificate and that thecertificate really belongs to the listed owner.• CALL RESTRICTION (NETWORK SERVICE)Call restriction allows you to restrict the making and receiving of callswith your phone. For this function, you need the restriction password,which you can obtain from your service provider.1 Scroll to one of the restriction options.2 Select Options→ Activate to request the network to set callrestriction on, Cancel to set the selected call restriction off, or Checkstatus to check if the calls are restricted or not.• Select Options→ Edit restriction passw. to change the restrictionpassword.• Select Options→ Cancel all restrictions to cancel all active call
