Nokia N81 Call divert , Call barring , Network

Settings
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phone lines. Select which phone line you want to use for
making calls and sending text messages. Calls on both lines
can be answered irrespective of the selected line. If you
select Line 2 and have not subscribed to this network
service, you will not be able to make calls. When line 2 is
selected, is shown in the standby mode.
Tip! To switch between the phone lines, press and
hold in the standby mode.
Line change—To prevent line selection (network service),
select Disable if supported by your SIM card. To change
this setting, you need the PIN2 code.
Call divert
Call divert allo ws yo u to div ert you r inc omi ng c all s to y our
voice mailbox or another phone number. For details,
contact your service provider.
Select which calls you want to divert and the desired
diverting option. To divert voice calls when your number is
busy or when you reject incoming calls, select If busy. Set
the option on (Activate) or off (Cancel), or check whether
the option is activated (Check status).
Several diverting options can be active at the same time.
When all calls are diverted, is shown in the
standby mode.
Call barring and call diverting cannot be active at the same
time.
Call barring
Call barring (network service) allows you to restrict the
calls that you make or receive with the device. To change
the settings, you need the barring password from your
service 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, including
data calls.
Call barring and call diverting cannot be active at the same
time.
When calls are barred, calls may be possible to certain
official emergency numbers.
Network
Your device can automatically switch between the GSM
and UMTS networks. The GSM network is indicated with
in the standby mode. The UMTS network is indicated
with .
Network mode (shown only if supported by the network
service provider)—Select which network to use. If you
select Dual mode, the device uses the GSM or UMTS