Glossary
Glossary
3G
3rd generation mobile
communications. A digital
system for mobile
communications which
aims at global use and
provides increased
bandwidth. 3G lets a mobile
device user access a wide
variety of services, such as
multimedia.
Ad-hoc
operatin
g mode
A WLAN network mode
where two or more devices
connect to each other using
WLAN directly without a
WLAN access point.
Cookies Cookies are little pieces of
information, given by the
Glossary 163
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server to you, to store
information about your
visits to a web site. When
you accept cookies, the
server is able to evaluate
your use of the web site,
what you are interested in,
what you want to read, and
so on.
DNS
Domain name service. An
internet service that
translates domain names
such as www.nokia.com
into IP addresses such as
192.100.124.195. Domain
names are easier to
remember but this
translation is needed
because the internet is
based on IP addresses.
DTMF
tones
Dual-tone multifrequency
tones. The DTMF system is
used by touch-tone
telephones. DTMF assigns a
specific frequency, or tone,
to each key so that it can
easily be identified by a
microprocessor. DTMF tones
allow you to communicate
with voice mailboxes,
computerised telephony
systems, and so on.
EAP
Extensible authentication
protocol. EAP plug-ins are
used in wireless networks
to authenticate wireless
devices and authentication
servers.
EGPRS
Enhanced GPRS. EGPRS is
similar to GPRS, but it
enables faster connection.
For availability and data
transfer speed, contact your
service provider.
GPRS
General packet radio
service. GPRS enables
wireless access for mobile
phones to data networks
(network service). GPRS
uses packet data
technology where
information is sent in short
bursts of data over the
mobile network. The
benefit of sending data in
packets is that the network
is occupied only when
sending or receiving data.
As GPRS uses the network
efficiently, it allows for
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quick data connection setup
and fast data transmission
speeds.
You must subscribe to the
GPRS service. For availability
and subscription to GPRS,
contact your service
provider.
During a voice call, you
cannot establish a GPRS
connection, and any
existing GPRS connection is
put on hold unless the
network supports dual
transfer mode.
GPS
Global positioning system.
GPS is a worldwide radio
navigation system.
HTTP
Hypertext transfer protocol.
A document transfer
protocol used in the web.
HTTPS
HTTP over a secure
connection.
IMAP4
Internet mail access
protocol, version 4. A
protocol used for accessing
your remote mailbox.
Internet
access
point
An access point is where
your device connects to a
network. To use e-mail and
multimedia services or to
connect to the internet and
browse web pages, you
must first define internet
access points for these
services.
Infrastru
cture
operatin
g mode
A WLAN network mode
where devices are
connected to WLAN using a
WLAN access point.
PIN
Personal identity number.
The PIN code protects your
device from unauthorised
use. The PIN code is
supplied with the SIM card.
If the PIN code request is
selected, the code is
required each time the
device is switched on. The
PIN code must be 4 to 8
digits long.
PIN2
The PIN2 code is supplied
with some SIM cards. The
PIN2 code is required to
access certain functions
supported by the SIM card.
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The length of the PIN2 code
is 4 to 8 digits.
POP3
Post office protocol, version
3. A common mail protocol
that can be used for
accessing your remote
mailbox.
PUK and
PUK2
Personal Unblocking Key.
PUK and PUK2 codes are
required to change a
blocked PIN code or PIN2
code, respectively. The
length of the code is 8
digits.
SIP
Session Initiation Protocol.
SIP is used for creating,
modifying, and terminating
certain types of
communication sessions
with one or more
participants.
SSID
Service set identifier. SSID is
the name that identifies the
specific WLAN.
Streamin
g
Streaming audio and video
files means playing them
directly from the web
without downloading them
first to your device.
UMTS
Universal Mobile
Telecommunications
System. UMTS is a 3G mobile
communication system.
Besides voice and data,
UMTS enables audio and
video delivery to wireless
devices.
When you use your device in
GSM and UMTS networks,
multiple data connections
can be active at the same
time, and access points can
share a data connection. In
the UMTS network, data
connections remain active
during voice calls. You can,
for example, browse the
web faster than previously
possible while
simultaneously speaking on
the phone.
UPIN
PIN code used in UMTS
network.
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UPUK
UPIN Unblocking Key. UPUK
code is required to change a
blocked UPIN code or PIN2
code. The length of the code
is 8 digits.
USIM
SIM card used in UMTS
network.
USSD
comman
d
A service request, such as
request to activate an
application or configure
various settings remotely,
that you can send to your
operator or service provider
with your device.
VPN
Virtual private network.
VPN creates a secure
connection to compatible
corporate intranet and
services, such as e-mail.
WAP
Wireless application
protocol. WAP is an
international standard for
wireless communication.
WEP
Wired equivalent privacy.
WEP is an encryption
method that encrypts data
before it is transmitted in
WLAN.
WLAN
Wireless local area network.
WPA
Wi-Fi Protected Access.
Security method for WLAN.
WPA2
Wi-Fi Protected Access 2.
Security method for WLAN.