Nokia 3230 - Manual (Page 152)

152 Copyright © 2005 Nokia. All rights reserved .
Changing the trust settings of an authority certificate
• Scroll to an authority certificate and select Options → Trust settings .
Depending on the certificate, a list of the applications that can use the
selected certificate is shown. For example:
Application manager / Yes - The certificate is able to certify the origin of new
software.
Internet / Yes - The certificate is able to certify e-mail and imaging servers.
Call barring
Select Call barring .
Call barring (network service) allows you to restrict the making and receiving of
calls with your phone. For this function, you need the barring password obtainable
from your service provider.
1. Scroll to one of the barring options.
2. Select Options → Activate to request the network to set call restriction on,
Cancel to set the selected call restriction off, or Check status to check if the
calls are barred or not.
• Select Options → Edit barrings passw. to change the barring password.
• Select Options → Cancel all barrings to cancel all active call barrings.
Call barring and call diverting cannot be active at the same time.
When calls are barred, calls still may be possible to certain official emergency numbers.