Nokia 6680 - Call Barring (Network Service); Network

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2005 Nokia. All rights reserved.
Tools
101
4 Set the divert option on (Activate) or off (Cancel), or
check whether the option is activated (Check status).
Several divert options can be active at the same time.
When all calls are diverted, is shown in the standby
mode.
Call barring and call diverting cannot be active at the same
time.
Call barring (network service)
Call barring allows you to restrict the calls that you make
or receive with the phone. To change the settings, you need
the barring password from your service provider. 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 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.