Nokia 2180 Owner's Manual page 43

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When roaming in some systems, you may need to have a
roaming agreement in order to place a call. If no roaming
agreement has been arranged, a network operator may in-
terrupt and request information on how you intend to pay
for the call.
Which system should you choose?
When roaming in an area where no home or preferred sys-
tems are available, you can manually choose which
system your phone uses.
System choices
Depending on which system is in use, your phone will dis-
play either the A or B indicator or no indicator in the top,
left hand corner of your display.
Your phone will automatically attempt calls using a preferred
system. If your phone fails to find a preferred system, then
it will use the selection you have chosen using Menu 7.
$XWRPDWLF means your phone will attempt calls to a
hometype system before trying to use a non-home type
system.
6HPL$XWR $ means your phone will attempt calls to sys-
tem A unless a home or preferred system is available.
6HPL$XWR % means your phone will attempt calls to sys-
tem B unless a home or preferred system is available.
+RPH DUHD means your phone cannot roam at all. Your
phone will display 12 6(59,&( when you travel outside of
your home area. Neither the A or B indicator will appear.
If you have more than one phone number
The currently-selected NAM in your phone determines
which system is your current home system.
See Menu 8, NAM Selection in the following section for
more details.
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