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Roaming
Many carriers (airtime providers) make arrangements with
carriers in other cities to allow use of mobile telephones in
areas other than your Home area. If you are traveling in an
area where cellular service is provided, and you wish to
use your cellular phone, check with your Cellular Service
Company before leaving your Home area. They will give
you information about registering and operating your
cellular phone in a particular area.
In some cities, depending upon your Cellular Service
Company, no registration will be required. You may dial
your phone as if you were traveling in your Home area.
However, if you call a number local to the area in which
you are roaming, first dial the area code of the local
number (no preceding 1), then the rest of the phone
number. Keep in mind that calls to your Home area may
incur long distance charges.
Other areas will require advance registration with a major
credit card, or may require that all long distance calls be
dialed using a telephone credit card or other charge
method (collect, third telephone number). Your Cellular
Service Company can give you the information before you
make the trip. If that is not possible, simply dialing a call
will, in many cases, provide needed information.
You may hear a recording (no airtime charge) that gives
procedures for roaming calls and connects you
immediately (during business hours) to a registration clerk.
If you cannot obtain roaming services on one carrier, try
switching to the other type. It is important to remember
that the
ROAM
indicator does not mean the phone is
authorized to make calls; only that a system other than the
Home system is detected.
SID (System Identification)
In general, metropolitan areas are served by more than
one service provider. Under certain circumstances you
may be roaming in an area that has two A systems or two
B systems that overlap, and you could be charged two
roaming charges. To prevent this double charging,
program in the System Identification number (SID) for that
area, and then activate the number when you are in that
location. (You will get the SID from the service provider in
that location.)
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