According to the European ETSI's first GSM Phase 2 +, GPRS is divided into two stages of development (that is, Phase 1 and Phase2). GPRS stage of the Phase l will be able to function and support the following:
1.TCP/IP business and X.25
2.'s New GPRS air interface encryption technology
Additional business 3.GPRS
4. Enhanced SMS (E-SMs)
GPRS packet data billing functions, that is, based on the amount of data taken by the above-mentioned functions of billing operations of the most significant is the TCP / IP and X.25 functions. GSM network via TCP / IP and X.25 to provide users with e-mail, WWW browser, a dedicated data, LAN access and other services. GPRS Phase 2 stage of the norms are still being worked out, it will be able to provide more new features and new business.
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