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Glossary of Terms
ADN Abbreviated Dialling Number. Used for frequently called
numbers.
APN Access Point Name. Directs the user to the gateway or
the required service.
CPHS Common PCN Handset Specification offers additional
terminal and SIM functionality to the standard GSM
specifications, such as a second subscriber line,
Information numbers, mailbox numbers, etc.
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.
FDN Fixed Dial Number. Used to restrict outgoing calls to a
certain set of numbers.
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.
Network
Operator
The organisation responsible for operating a GSM
network.
Password Used for the control of Call bar. Supplied by your service
provider.
PIN 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.
PIN2
PLMN Public Land Mobile Network. A network that provides land
mobile telecommunications services.