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or off (Cancel), or check whether the option is active
(Check status). Call barring affects all calls, including
data calls.
Call barring and Call divert cannot be active at the same
time.
When calls are barred, calls still may be possible to certain
official emergency numbers.
Network
Your Nokia 6680 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 ony if supported by the
operator)—Select which network to use. If you select Dual
mode, the phone uses the GSM or UMTS network
automatically, according to the network parameters and
the roaming agreements between the network operators.
Contact your network operator for more details.
Warning: If you set the phone to use only the GSM
network, you will not be able to make any calls,
including emergency calls, or use other features
requiring a network connection, if the selected
network is not available.
Operator selection—Select Automatic to set the phone 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 phone sounds an error tone and asks
you to reselect a network. The selected network must have
a roaming agreement with your home network, that is, the
operator whose SIM card is in your phone.
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 phone to indicate
when it is used in a cellular network based on microcellular
network (MCN) technology and to activate cell info
reception.
Enhancement settings
Indicators shown in the standby mode:
A headset is connected.
A loopset is connected.
The headset is unavailable, or a Bluetooth connection
to a headset is lost.
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