Nokia E51

Page 123
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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 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.
HSDPA
High-speed downlink packet access.
HSDPA brings high-speed data delivery to
3G terminals, ensuring that users
requiring effective multimedia
capabilities benefit from data rates
previously unavailable because of
limitations in the radio access network.
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.
Infrastructure
operating
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. 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 PIN 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.
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