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Appendix
Glossary of terms
Memory low!
Message may not be
stored
The message area is full. Your messages cannot
be stored until some of the currently stored
messages are deleted.
Verification failure
On changing the PIN/PIN2, verification of the new
code is incorrect - retry changing the PIN/PIN2
with correct verification.
CSD
Circuit Switched Data. A communication method used to
transmit data over telephone connections.
DTMF
Dual Tone Multi-Frequency allows 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.
GSM
Global System for Mobile communications. The name
given to the advanced digital technology that your phone
uses.
Infrared
A type of wireless connection that allows data to be
transmitted directly to another device.
Java
TM
A programming language developed by Sun
Microsystems. Programs written in Java do not rely on
an operating system.
Network
Operator
The organisation responsible for operating a GSM
network.
PIN / PIN2
Personal Identification Number. PIN is used for SIM card
security. PIN2 is used for the control of Fixed dialling and
Call charges metering. Supplied by your service
provider. If the PIN or PIN2 is entered incorrectly several
times (basically 3 times), the PIN or PIN2 will be blocked.