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13
Don’t panic
13. Don’t panic
13.1 In plain English
Roaming
Roaming allows your phone to be in use
when you are not in your home country.
Please contact your network operator for
more information.
Handover
Handover allows you to move from one base
station to another or from one network to
another without affecting the call.
Tri-band
Your phone operates on different frequencies
in different countries. A tri-band phone can
switch between three frequencies e.g. 900
Mhz, 1800 Mhz and 1900 Mhz. The O
2
Xda
Atom is a tri-band Pocket PC Phone.
SIM card
A SIM is the little gold-plated plastic card
that you get from your network operator and
which holds the unique data the network
needs to identify your phone and operate.
PIN and PUK
Access to use a phone is most often
protected by a code known as “PIN”–
Personal Identification Number. Your SIM
card comes with a default PIN that you can
change to any code you prefer. If you forget
your code, or by mistake enter a faulty code
three times, the SIM card will lock. To unlock,
you must enter the Personal Unblocking Key
or “PUK” code which you can get from your
network operator.
PIN2
PIN2 is a security code that you can obtain
from your network operator.
IMEI
IMEI stands for International Mobile
Equipment Identifier and is a number that’s
unique to your phone.
WAP
Wireless Application Protocol or WAP allows
you to access information and entertainment
services.
GPRS
General Packet Radio System is a service
that transmits data to and from your phone.
Charges are based on the amount of
transferred data rather than on airtime.
CSD
A wireless service protocol used for WAP.
CSD stands for Circuit Switched Data.
This allows you to have continuous WAP
connection. You pay for the time spent
connected rather than the amount of data.
URL
Uniform Resource Locator or URL is an
address system used on the Internet. All
homepages have a unique address, allowing
browsers to distinguish one from the other.
APN
APN stands for Access Point Name.
ISP
ISP stands for Internet Service Provider.
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