3G :- 3G or third generation mobile communication technology will offer increased bandwidth over the Net to mobile devices. This increased bandwidth can be used for features like video streaming and video conferencing. We expect to see 3G services in India soon.
A2DP - Advanced Audio Distribution Profile; a standardized interface between Bluetooth devices. It allows wireless streaming (over BJuetooth) of high-quality stereo sound.
APN - Access Point Name; part of the settings needed for a device to be abte to access the Internet over GPRS or EDGE.
CIF - Common Intermediate Format refers to a resolution of 352x288 pixels, usually in front-facing or video conferencing cameras.
EDGE - Enhanced Data rates for GSM Evolution; a technology that increases bandwidth above the Limitations of GPRS. It is not as fast as 3G, sort of like an intermediary.
GPRS- General Packet Radio Service; a mobile data service for GSM phones, is the most popular (but also the slowest) form of Internet access available for mobile.
HSPDA- high Speed Downlink Packet Access, it is a 3G protocol that supports high speeds and also increases the capac ity of the network. Can be used for Live TV viewing on mobile devices.
SIM - Subscriber Identity Module; smart card that securely stores the key identifying a mobile phone service sub scriber to a service provider,
UMTS - Universal Mobile Telecommu nications System; a part of 3G technology. Also called 3GSM.
VGA - Video Graphics Array; a display standard, but also refers to a resolution of 640x480 pixels in mobile devices.
PTT :- Push To Talk; a method of talking using half-duplex, like walkie-talkies. Only one person can talk at a time, the other has to listen
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