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Depending on the programmed information, and the
actual network availability in the area where you are
using the phone, selecting the
PREFER’D
option has the
effects described below.
Note: The PREFER’D option appears only if your service
provider has programmed a list of preferred networks
into your phone.
If you select
PREFER’D
, your phone may be able to
select the preferred (e.g., low-cost billing rate) type of
network. If service is available only within a non-
preferred type of network, the part of
will flash and only emergency calls to the emergency
number programmed into your phone may be possible.
Note: When you select PREFER’D, and you’re within a
non-preferred network, only calls to the emergency
number programmed into your phone (e.g., 911 or
another official emergency number) may be possible.
How to Roam
In some areas, the cellular system automatically
recognizes roaming phones. In other areas, you need to
contact the service provider before the system can
recognize your phone. The operator needs to know
your phone number, your phone's ESN (electronic serial
number), and how you plan to pay for your calls. There
is normally an additional charge for roaming calls.
Note: The ESN of your phone is located under the
battery of the phone. (However, the ESN of your phone
can normally be read over the air by the roaming cellular
service providers when you call them to register your
roaming presence on their cellular network.)
Menu 6, Call Timers
This menu lets you see approximately how much time
you’ve spent in calls on your phone. You can also reset
the timers to zero (except for the Life Timer).