Tools115Copyright © 2006 Nokia. All rights reserved.the option on (Activate) or off (Cancel), or check whetherthe option is activated (Check status).Several diverting options can be active at the same time.When all calls are diverted, is shown in thestandby mode.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 set it on (Activate)or off (Cancel), or check whether the option is active(Check status). Call barring affects all calls, includingdata calls.Call barring and call diverting cannot be active at the sametime.When calls are barred, calls may be possible to the officialemergency number programmed into your device.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 the networkoperator)—Select which network to use. If you select Dualmode, the device uses the GSM or UMTS networkautomatically, according to the network parameters andthe roaming agreements between the network operators.Contact your network operator for more details.Operator selection—Select Automatic to set the deviceto search for and select one of the available networks, orManual to manually select the network from a list ofnetworks. If the connection to the manually selectednetwork is lost, the device sounds an error tone and asksyou to reselect a network. The selected network must havea roaming agreement with your home network, that is, theoperator whose SIM card is in your device.Glossary: A roaming agreement is an agreementbetween two or more network service providers toenable the users of one service provider to use theservices of other service providers.