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APN
Access Point Name. Directs the user to the gateway or the required service.
CHAP
Challenge Handshake Authentication Protocol. A security feature in the GPRS network.
Copy
Copies selected text from a short text message without removing it from the original message.
CSD
Circuit Switched Data. A communication method used to transmit data over telephone
connections.
Cut
Permanently removes selected text from a short text message.
DTMF Tones Dual Tone Multi-Frequency tones allow you to communicate with computerised phone
systems, voice mailboxes, etc.
GPRS
General Packet Radio Service. A GSM transmission technique that transmits and receives
data in packets rather than setting up a continuous channel. It makes very efficient use of
available radio spectrum and users pay only for volume of data sent and received.
GSM
Global System for Mobile communications. The name given to the advanced digital technology
that your phone uses.
MMS
Multimedia Messaging Service. An advanced mail system used for cellular phones. This
service allows sending/receiving text messages and attaching pictures, animation and sound
to the same.
Network
Operator
The organisation responsible for operating a GSM network.
PAP
Password Authentication Protocol. A security feature in the GPRS network.
Password
Used for the control of GPRS/CSD settings in Data connections and the control of Call Barring.
Supplied by your service provider.
PIN
Personal Identification Number used for SIM security. Supplied by your service provider. If the
PIN is entered incorrectly 3 times, the PIN will be blocked.
PIN2
Personal Identification Number used for the control of Fixed Dial store and Call Charge
metering. Supplied by your service provider. If the PIN2 is entered incorrectly 3 times, the PIN2
will be blocked.
PUK/PUK2
PIN/PIN2 Unblocking Key. Used to unblock the PIN/PIN2 code. Supplied by your service
provider. If the PUK/PUK2 is entered incorrectly 10 times, the PUK/PUK2 will be blocked.
Registration
The act of logging on to a GSM network. This is usually performed automatically by your phone.
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 network.
SIM
Subscriber Identity Module. A small smart-card which stores unique subscriber and user-entered
information such as Contacts entries and short messages. Supplied by your service provider.
SMS
Short Message Service. A basic mail system used for cellular phones. This service allows
sending/receiving of short text messages.
URL
Uniform Resource Locator. The URL is an alphanumeric address that points to homepages
and other Internet locations.
WAP
Wireless Application Protocol. The communication standard which enables you to download
resources from the Internet to your phone.
Glossary of Terms