Sony Z800i - Manual (Page 18)

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18
Calling
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Calling
Calls, video calls, contacts, voice control,
call options.
Making calls
Before you can make or receive any calls, you must
turn on the phone and be within range of a network.
% 7 Turning on the phone and making calls.
To make a video call, you have to be within range
of a 3G (UMTS) network. 3G (UMTS) service is
available when the 3G icon appears in the status
bar,
% 21 Video call.
Networks
When you turn on the phone, it automatically selects
your home network if this is within range. If it is not
within range, you may use another network, provided
your network operator has an agreement that allows
you to do so. This is called roaming.
You can select the network you want to use,
or you can add a network to your list of preferred
networks. You can also change the order in which
networks are selected during an automatic search.
For all such options
} Settings } the Connectivity
tab } Mobile networks .