Network settings
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
.
Select
Menu
Tools
>
Network
and from the following:
Network mode
●
you select
Dual
UMTS network automatically, according to the
network parameters and the roaming agreements
between the wireless service providers. For details
and roaming costs, contact your network service
provider. This option is shown only if supported by
the wireless service provider.
A roaming agreement is an agreement between two
or more service providers to enable the users of one
service provider to use the services of other service
providers.
Operator selection
●
device to search for and select one of the available
networks, or
Manual
network from a list. If the connection to the
manually selected network is lost, the device sounds
an error tone and asks you to reselect a network.
The selected network must have a roaming
agreement with your home cellular network.
150
Settings
and
Phone
>
— Select which network to use. If
mode, the device uses the GSM or
— Select
Automatic
to manually select the
Cell info display
●
it is used in a cellular network based on
microcellular network (MCN) technology and to
activate cell info reception.
Connection settings
>
In connection settings, you can edit access points and
other connectivity settings.
Data connections and access points
Your device supports packet data connections
(network service), such as GPRS in the GSM network.
When you use your device in GSM and UMTS networks,
multiple data connections can be active at the same
time, and access points can share a data connection. In
the UMTS network, data connections remain active
during voice calls.
You can also use a Wi-Fi/WLAN data connection. Only
one connection in one wireless LAN can be active at a
to set the
time, but several applications can use the same
internet access point.
To establish a data connection, an access point is
required. You can define different kinds of access
points, such as the following:
MMS access point to send and receive multimedia
●
messages
— Set the device to indicate when