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Access Point Name -APN in GPRS
An Access Point Name (APN) provides routing information for SGSN (Serving GPRS Support Nodes) and GGSN (Gateway GPRS Support Nodes). The APN consists
of two parts; the Network ID, which identifies the external service
requested by a user of the GPRS service and the Operator ID which
specifies routing information.In other words a GPRS APN can allow open internet access from a mobile phone i.e. usually through a WAP Gateway.
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