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Glossary of Terms
Network
Operator
The organisation responsible for operating a GSM
network.
Password Used for the control of Call bar. Supplied by your service
provider.
PIN / PIN2 Personal Identification Number used for SIM card
security. Supplied by your service provider. If the PIN or
PIN2 is entered incorrectly several times (3 times for
PIN2), the PIN or PIN2 will be blocked.
PUK / PUK2 PIN or PIN2 Unblocking Key. Used to unblock the PIN or
PIN2 code. Supplied by your service provider. If the PUK
or PUK2 is entered incorrectly 10 times, the PUK or
PUK2 will be blocked.
Roaming The ability to use your phone on networks other than
your home network.
Service provider The organisation responsible for providing access to the
GSM/GPRS network.
TLS Transport Layer Security. A network layer that looks after
the security of the communication session.
UDP User Datagram Protocol. A communications protocol,
which makes it possible to send a datagram
transmissions from one device to a recipient device.
USSD Unstructured Supplementary Services Data. Similar to
SMS, USSD uses the GSM network's signaling path to
transmit information. Yet, USSD is session-oriented.
WAP Wireless Application Protocol. The communication
standard which enables you to download resources from
the Internet to your phone.
XHTML eXtensible HyperText Markup Language. Works as an
application of XML. Whereas HTML only describes how
the data should be displayed or used, XML describes the
type of data.