Preliminary Layla850 P1B
CSS
Cascading Style Sheet. A feature of browsers.
DTMF
Dual Tone Multi Frequency. A method of coding digits as a combination of two audible tones.
DUN
EMS
Enhanced Messaging Service. An extension of SMS enabling pictures, animations, sound and text formatting to be added to text messages.
FCC
Federal Communications Commission. US government agency which regulates radio communications.
GIF
Graphics Interchange Format. Format for storing images which also supports animated images. Highly compressed by limiting the colour palette to 16 or 256 colours. It is one of the two most common file formats for graphic images on the World Wide Web. The other is JPEG.
GPRS
General Packet Radio Services. A radio technology for GSM networks that adds
GSM
Global System for Mobile Communications. GSM is the world's most
GSM 850
The GSM system family includes GSM 850, GSM 900, GSM 1800 and GSM 1900. GSM 850 refers to GSM working on a frequency of 850 MHz.
GSM 1800
Also known as DCS 1800 or PCN, this is a GSM digital network working on a frequency of 1800 MHz. It is used in Europe and
GSM 1900
Also known as PCS. Refers to a GSM system running in the 1900 MHz band. Used in the USA and Canada, for instance.
Terms and definitions | 189 |