Copyright © 2006 Nokia. All rights reserved.Tools101• Online certif. check—Select to check the onlinecertificates before installing an application.Select Options > Edit trust setting to change the value.Call divertingCall divert allows you to divert your incoming calls to yourvoice mailbox or another phone number. For details,contact your service provider.1 Press , and select Tools > Settings > Call divert.2 Select which calls you want to divert: Voice calls orData and video calls.3 Select the desired divert option. To divert voice callswhen your number is busy or when you reject incomingcalls, select If busy.4 Set the divert option on (Activate) or off (Cancel), orcheck whether the option is activated (Check status).Several divert options can be active at the same time.When all calls are diverted, is shown in the standbymode.Call barring and call diverting cannot be active at the sametime.Call barringCall barring (network service) allows you to restrict thecalls that you make or receive with the device. To changethe settings, you need the barring password from yourservice provider. Select the desired barring option, and setit on (Activate) or off (Cancel), or check whether theoption is active (Check status). Call barring affects allcalls, including data calls.Call barring and call diverting cannot be active at thesame time.When calls are barred, calls may be possible to certainofficial emergency numbers.NetworkYour device can automatically switch between the GSMand UMTS networks. The GSM network is indicated within the standby mode. The UMTS network is indicatedwith .Network mode (shown only if supported by theoperator)—Select which network to use. If you select Dualmode, the device uses the GSM or UMTS networkautomatically, according to the network parameters and