KBT Mobile ES807 User Manual page 81

E. Glossary
Cell Broadcast
This network service allows you to receive the broadcasted text messages on various topics such as
weather, traffic, local district code, local hospitals, taxis or pharmacy in the area where you are.
CUG (Closed User Group)
This network service allows the restriction of calls to and from a selected user group.
DTMF (Dial Tone Multi Frequency)
Codes sent as tone signals. Used for telephone banking, for accessing an answering machine, etc.
GSM
Global System for Mobile communication. This is a digital mobile telecommunication system that is
used in most of the world.
GPRS
This is an abbreviation of General Packet Radio Service which enables a packet data communication
with a high-speed.
Network Service Operator
To be able to use your phone, you need a subscription to a network. You get this subscription from a
network operator, together with a SIM card that you need to use with your phone.
MMS (Multimedia Message Service)
This is an abbreviation of Multimedia Messages Service. The data including text, image, sound and
movie can be sent with this service.
MP3
MP3 (MPEG-1 Audio Layer-3) is a standard technology and format for compression a sound sequence
into a very small file (about one-twelfth the size of the original file) while preserving the original level of
sound quality when it is played
PIN (Personal Identification Number)
The code is to establish authorization for access to certain functions or information in your SIM card.
The PIN code comes with your subscription. It may be a four to eight digit number and can be
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