Nokia N900 User Manual page 124

124 Settings
Call forwarding — Define the phone number to which the
incoming calls are forwarded if you do not answer. To
forward calls to a specific phone number or to a contact from
your contacts list, select
Network settings
Your device can automatically switch between GSM and 3G
networks.
In the status area, the current network is indicated with the
following icons:
GSM
EDGE
3G
HSPA
To modify network settings, select
Phone > Network.
Select the service provider's network
By default, your device selects the network automatically. To
select the network manually, select
Select network mode
Select which network to use. If you select Dual, the device
uses the GSM or 3G network automatically, according to the
network availability, parameters, and the roaming
agreements between network service providers. For further
information, contact your network service provider.
Forward to or Select contact.
Settings
>
Manual and a network.
You cannot change the network mode, if a packet data
connection is active. Disconnect the packet data connection
or switch to a wireless LAN (WLAN) connection before
changing the network mode.
Roaming is based on specific roaming agreements between
your network service provider and other network service
providers, to enable you to use network services outside your
home network, for example when travelling abroad.
Define data roaming settings
Always ask is selected by default. A connection is only
attempted when a confirmation note is accepted. If you select
Always allow, all packet data connections abroad are
handled as in the home network.
For further information and roaming costs, contact your
network service provider.
and
View transferred data details
Select Home network data
reset the counter, select Clear.
SIM card settings
Select
>
Select from the following:
counter. To clear the details and
Settings and Phone SIM
>
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card.