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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 wireless
service provider)—Select which network to use. If you
select Dual mode, the device uses the GSM or UMTS
network automatically, according to the network
parameters and the roaming agreements between the
wireless service providers. Contact your service provider for
more details.
Operator selection—Select Automatic to set the device to
search for and select one of the available networks, or
Manual to manually select the network from a list of
networks. 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.
Glossary: A roaming agreement is an agreement
between two or more network service providers to
enable the users of one service provider to use the
services of other service providers.
Cell info display—Select On to set the device to indicate
when it is used in a cellular network based on
microcellular network (MCN) technology and to activate
cell info reception.
Connection
To edit access point and other connection settings, press
, and select Tools > Settings > Connection >
Bluetooth, USB, Access points, Packet data, Wireless
LAN, SIP settings, Configurations, or Access point name
control.
For Bluetooth connectivity settings, see ‘Settings’, p. 28.
For USB data cable settings, see ‘USB’, p. 32.
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