O2 Xda Atom Life, User Manual

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136
13
Don’t panic
13. Don’t panic
13.1 In plain English
Roaming
Roaming allows your phone to be used
when 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 (900, 1800
and 1900 Mhz). The O
2
Xda Atom Life is a
tri-band Pocket PC Phone.
SIM card
A SIM card is the little plastic card you get
from your network operator and holds the
unique data the network needs to identify
your phone and operate it.
PIN and PUK
Access to a phone is most often protected
by a code known as “PIN”– Personal
Identi
fi cation Number. Your SIM card comes
with a default PIN that you can change to
any code. If you forget your code, or by
mistake enter a faulty code three times, the
SIM card will lock. To unlock it, 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.
WAP
Wireless Application Protocol (WAP) allows
you to access information and entertainment
services.
UMTS
Universal Mobile Telecommunications
System (UMTS) is one of the third-
generation (3G) mobile phone technologies.
It uses W-CDMA as the underlying standard,
is standardized by the 3GPP, and for 3G
Cellular radio systems.
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 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 an other.
ISP
Internet Service Provider.