<P> Enhanced Data rates for GSM Evolution (EDGE) (also known as Enhanced GPRS (EGPRS), or IMT Single Carrier (IMT - SC), or Enhanced Data rates for Global Evolution) is a digital mobile phone technology that allows improved data transmission rates as a backward - compatible extension of GSM . EDGE is considered a pre-3G radio technology and is part of ITU's 3G definition . EDGE was deployed on GSM networks beginning in 2003--initially by Cingular (now AT&T) in the United States . </P> <P> EDGE is standardized also by 3GPP as part of the GSM family . A variant, so called Compact - EDGE, was developed for use in a portion of Digital AMPS network spectrum . </P>

What is the meaning of edge in mobile phones
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