ip address of a gprs mobile

hi..
im workin on a project that requires my java program to send the ip address and access point dtails of every client mobile(GPRS activated) to the server.
pls could anybody tell me how to go about that in j2me?? also in general how to know your ip address wen in gprs activated network..
pls reply soon...
thanks

The public IP address of the mobile will be the IP address of the GGSN ("internet gateway") of the mobile operator - if they have more than one GGSN it will probably be dynamic. I can't see that will be much help. I guess each mobile might have a private, internal IP address inside the mobile network which is translated by the GGSN to the public IP address, but I can't see that will help either.

gateway can be an address just like an ip..... through which u connects to the other networks.... this is wot is called internet.... network of networks... it is an address of a router

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GPS Based Wireless Solution