Nokia 6680

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Tools
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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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